Table of

T
Indices Easter slp sea level pressure

Time sea level pressure

months since 1960-01-01 mb above 1000

Jan 1951 19.6

Feb 1951 19.4

Mar 1951 19.9

Apr 1951 16.7

May 1951 16.0

Jun 1951 19.0

Jul 1951 17.9

Aug 1951 18.4

Sep 1951 17.9

Oct 1951 21.3

Nov 1951 23.1

Dec 1951 20.7

Jan 1952 19.9

Feb 1952 18.6

Mar 1952 19.1

Apr 1952 15.8

May 1952 18.9

Jun 1952 19.5

Jul 1952 23.9

Aug 1952 21.5

Sep 1952 17.9

Oct 1952 21.5

Nov 1952 20.5

Dec 1952 19.7

Jan 1953 19.5

Feb 1953 16.4

Mar 1953 20.1

Apr 1953 17.2

May 1953 19.2

Jun 1953 20.9

Jul 1953 20.6

Aug 1953 18.0

Sep 1953 21.4

Oct 1953 27.0

Nov 1953 22.2

Dec 1953 20.9

Jan 1954 20.3

Feb 1954 22.5

Mar 1954 18.3

Apr 1954 18.7

May 1954 20.8

Jun 1954 19.4

Jul 1954 23.4

Aug 1954 20.4

Sep 1954 25.7

Oct 1954 26.0

Nov 1954 24.0

Dec 1954 22.8

Jan 1955 19.5

Feb 1955 22.3

Mar 1955 20.6

Apr 1955 22.1

May 1955 20.3

Jun 1955 21.5

Jul 1955 21.7

Aug 1955 23.1

Sep 1955 27.1

Oct 1955 26.1

Nov 1955 20.9

Dec 1955 22.7

Jan 1956 20.7

Feb 1956 20.0

Mar 1956 20.5

Apr 1956 20.6

May 1956 21.8

Jun 1956 19.3

Jul 1956 20.3

Aug 1956 22.0

Sep 1956 22.1

Oct 1956 21.5

Nov 1956 19.2

Dec 1956 15.4

Jan 1957 16.7

Feb 1957 17.2

Mar 1957 17.8

Apr 1957 17.2

May 1957 16.2

Jun 1957 16.6

Jul 1957 19.9

Aug 1957 21.9

Sep 1957 21.7

Oct 1957 23.3

Nov 1957 19.2

Dec 1957 19.2

Jan 1958 19.5

Feb 1958 20.5

Mar 1958 19.4

Apr 1958 15.0

May 1958 14.3

Jun 1958 21.9

Jul 1958 15.3

Aug 1958 22.4

Sep 1958 20.1

Oct 1958 21.6

Nov 1958 22.5

Dec 1958 16.8

Jan 1959 21.1

Feb 1959 19.8

Mar 1959 17.0

Apr 1959 20.6

May 1959 15.9

Jun 1959 22.8

Jul 1959 19.4

Aug 1959 24.4

Sep 1959 20.4

Oct 1959 21.7

Nov 1959 21.5

Dec 1959 20.6

Jan 1960 17.5

Feb 1960 19.2

Mar 1960 16.5

Apr 1960 17.6

May 1960 18.3

Jun 1960 17.9

Jul 1960 21.8

Aug 1960 22.2

Sep 1960 23.0

Oct 1960 23.4

Nov 1960 21.3

Dec 1960 17.7

Jan 1961 19.5

Feb 1961 21.3

Mar 1961 19.1

Apr 1961 19.1

May 1961 15.9

Jun 1961 17.2

Jul 1961 15.0

Aug 1961 17.2

Sep 1961 22.1

Oct 1961 20.8

Nov 1961 20.7

Dec 1961 18.7

Jan 1962 17.5

Feb 1962 16.8

Mar 1962 19.0

Apr 1962 20.0

May 1962 20.7

Jun 1962 19.0

Jul 1962 19.6

Aug 1962 24.3

Sep 1962 24.1

Oct 1962 23.9

Nov 1962 18.7

Dec 1962 20.5

Jan 1963 22.1

Feb 1963 21.5

Mar 1963 21.6

Apr 1963 16.7

May 1963 15.3

Jun 1963 19.3

Jul 1963 25.4

Aug 1963 20.3

Sep 1963 20.2

Oct 1963 20.1

Nov 1963 23.2

Dec 1963 19.6

Jan 1964 19.6

Feb 1964 20.1

Mar 1964 20.0

Apr 1964 20.2

May 1964 16.0

Jun 1964 21.7

Jul 1964 20.7

Aug 1964 23.3

Sep 1964 23.5

Oct 1964 19.8

Nov 1964 17.3

Dec 1964 20.4

Jan 1965 18.8

Feb 1965 18.6

Mar 1965 17.0

Apr 1965 19.2

May 1965 15.7

Jun 1965 17.2

Jul 1965 18.7

Aug 1965 20.0

Sep 1965 20.0

Oct 1965 23.7

Nov 1965 18.7

Dec 1965 16.8

Jan 1966 18.0

Feb 1966 20.4

Mar 1966 19.0

Apr 1966 17.7

May 1966 15.6

Jun 1966 23.7

Jul 1966 17.9

Aug 1966 22.9

Sep 1966 24.1

Oct 1966 21.7

Nov 1966 20.0

Dec 1966 21.4

Jan 1967 19.3

Feb 1967 21.1

Mar 1967 19.9

Apr 1967 17.0

May 1967 20.1

Jun 1967 24.1

Jul 1967 26.7

Aug 1967 23.8

Sep 1967 25.2

Oct 1967 21.5

Nov 1967 19.9

Dec 1967 20.3

Jan 1968 20.0

Feb 1968 18.0

Mar 1968 23.0

Apr 1968 18.0

May 1968 17.0

Jun 1968 23.0

Jul 1968 21.0

Aug 1968 19.0

Sep 1968 17.0

Oct 1968 23.0

Nov 1968 20.0

Dec 1968 20.0

Jan 1969 16.0

Feb 1969 21.0

Mar 1969 21.0

Apr 1969 18.0

May 1969 17.0

Jun 1969 19.0

Jul 1969 17.0

Aug 1969 22.0

Sep 1969 20.0

Oct 1969 22.0

Nov 1969 25.0

Dec 1969 20.0

Jan 1970 21.0

Feb 1970 20.0

Mar 1970 17.0

Apr 1970 17.0

May 1970 23.0

Jun 1970 22.0

Jul 1970 24.0

Aug 1970 22.0

Sep 1970 22.0

Oct 1970 22.0

Nov 1970 24.0

Dec 1970 22.0

Jan 1971 21.3

Feb 1971 20.5

Mar 1971 21.2

Apr 1971 19.2

May 1971 24.7

Jun 1971 24.1

Jul 1971 17.7

Aug 1971 23.7

Sep 1971 23.5

Oct 1971 20.8

Nov 1971 22.8

Dec 1971 20.9

Jan 1972 16.2

Feb 1972 16.6

Mar 1972 20.1

Apr 1972 18.1

May 1972 14.3

Jun 1972 13.1

Jul 1972 19.3

Aug 1972 17.0

Sep 1972 18.5

Oct 1972 20.8

Nov 1972 20.0

Dec 1972 18.5

Jan 1973 19.8

Feb 1973 21.0

Mar 1973 20.0

Apr 1973 17.9

May 1973 18.4

Jun 1973 20.5

Jul 1973 20.8

Aug 1973 22.2

Sep 1973 25.0

Oct 1973 23.0

Nov 1973 21.9

Dec 1973 23.1

Jan 1974 20.8

Feb 1974 21.5

Mar 1974 20.9

Apr 1974 18.3

May 1974 17.1

Jun 1974 22.5

Jul 1974 22.0

Aug 1974 17.4

Sep 1974 22.2

Oct 1974 23.0

Nov 1974 23.4

Dec 1974 19.1

Jan 1975 18.0

Feb 1975 15.5

Mar 1975 20.4

Apr 1975 16.5

May 1975 19.0

Jun 1975 20.0

Jul 1975 20.5

Aug 1975 24.1

Sep 1975 23.7

Oct 1975 22.9

Nov 1975 21.6

Dec 1975 20.4

Jan 1976 19.6

Feb 1976 20.4

Mar 1976 19.3

Apr 1976 16.6

May 1976 14.4

Jun 1976 16.0

Jul 1976 17.3

Aug 1976 22.3

Sep 1976 18.2

Oct 1976 17.2

Nov 1976 18.7

Dec 1976 14.1

Jan 1977 16.1

Feb 1977 20.6

Mar 1977 16.1

Apr 1977 14.6

May 1977 13.6

Jun 1977 19.4

Jul 1977 24.7

Aug 1977 23.6

Sep 1977 17.7

Oct 1977 19.3

Nov 1977 21.5

Dec 1977 18.6

Jan 1978 21.3

Feb 1978 18.6

Mar 1978 19.1

Apr 1978 16.1

May 1978 17.1

Jun 1978 20.2

Jul 1978 18.9

Aug 1978 22.6

Sep 1978 21.9

Oct 1978 17.6

Nov 1978 18.2

Dec 1978 19.0

Jan 1979 17.0

Feb 1979 20.0

Mar 1979 18.8

Apr 1979 14.2

May 1979 14.9

Jun 1979 22.3

Jul 1979 17.5

Aug 1979 14.4

Sep 1979 22.0

Oct 1979 21.1

Nov 1979 17.4

Dec 1979 18.4

Jan 1980 19.5

Feb 1980 18.5

Mar 1980 16.6

Apr 1980 18.3

May 1980 18.7

Jun 1980 20.0

Jul 1980 19.8

Aug 1980 20.7

Sep 1980 19.2

Oct 1980 23.1

Nov 1980 19.4

Dec 1980 17.8

Jan 1981 21.6

Feb 1981 21.2

Mar 1981 17.9

Apr 1981 17.2

May 1981 18.1

Jun 1981 17.9

Jul 1981 19.8

Aug 1981 19.8

Sep 1981 17.8

Oct 1981 20.7

Nov 1981 22.0

Dec 1981 20.7

Jan 1982 20.7

Feb 1982 21.0

Mar 1982 19.7

Apr 1982 14.3

May 1982 18.2

Jun 1982 20.8

Jul 1982 17.4

Aug 1982 16.2

Sep 1982 18.3

Oct 1982 19.3

Nov 1982 16.4

Dec 1982 16.5

Jan 1983 13.7

Feb 1983 14.6

Mar 1983 17.4

Apr 1983 17.3

May 1983 17.5

Jun 1983 19.7

Jul 1983 19.0

Aug 1983 23.1

Sep 1983 23.0

Oct 1983 21.0

Nov 1983 22.1

Dec 1983 19.0

Jan 1984 17.0

Feb 1984 18.9

Mar 1984 19.0

Apr 1984 15.8

May 1984 18.2

Jun 1984 19.8

Jul 1984 21.0

Aug 1984 20.6

Sep 1984 18.2

Oct 1984 21.9

Nov 1984 21.8

Dec 1984 19.3

Jan 1985 20.8

Feb 1985 19.6

Mar 1985 19.5

Apr 1985 20.9

May 1985 18.0

Jun 1985 18.0

Jul 1985 20.1

Aug 1985 26.0

Sep 1985 23.6

Oct 1985 19.7

Nov 1985 21.1

Dec 1985 22.1

Jan 1986 21.3

Feb 1986 20.2

Mar 1986 20.6

Apr 1986 18.2

May 1986 15.2

Jun 1986 18.8

Jul 1986 14.5

Aug 1986 18.1

Sep 1986 19.0

Oct 1986 19.9

Nov 1986 20.7

Dec 1986 21.4

Jan 1987 21.0

Feb 1987 16.8

Mar 1987 16.4

Apr 1987 19.5

May 1987 18.9

Jun 1987 14.4

Jul 1987 15.8

Aug 1987 17.4

Sep 1987 19.2

Oct 1987 20.9

Nov 1987 20.7

Dec 1987 20.6

Jan 1988 20.3

Feb 1988 16.7

Mar 1988 18.3

Apr 1988 18.6

May 1988 16.8

Jun 1988 23.5

Jul 1988 23.2

Aug 1988 22.3

Sep 1988 26.7

Oct 1988 22.7

Nov 1988 23.3

Dec 1988 20.6

Jan 1989 19.9

Feb 1989 18.0

Mar 1989 19.7

Apr 1989 17.9

May 1989 17.5

Jun 1989 20.1

Jul 1989 22.0

Aug 1989 21.9

Sep 1989 20.9

Oct 1989 23.2

Nov 1989 17.9

Dec 1989 20.4

Jan 1990 24.1

Feb 1990 17.2

Mar 1990 18.8

Apr 1990 17.7

May 1990 18.6

Jun 1990 17.4

Jul 1990 21.2

Aug 1990 19.0

Sep 1990 20.5

Oct 1990 25.5

Nov 1990 23.7

Dec 1990 19.7

Jan 1991 20.2

Feb 1991 19.9

Mar 1991 16.5

Apr 1991 16.5

May 1991 13.5

Jun 1991 13.1

Jul 1991 22.0

Aug 1991 25.0

Sep 1991 18.9

Oct 1991 20.8

Nov 1991 19.5

Dec 1991 16.9

Jan 1992 18.5

Feb 1992 18.7

Mar 1992 15.8

Apr 1992 18.8

May 1992 17.3

Jun 1992 19.8

Jul 1992 21.8

Aug 1992 19.9

Sep 1992 21.4

Oct 1992 22.3

Nov 1992 18.1

Dec 1992 20.2

Jan 1993 15.8

Feb 1993 17.0

Mar 1993 16.4

Apr 1993 16.6

May 1993 20.7

Jun 1993 17.0

Jul 1993 20.8

Aug 1993 18.1

Sep 1993 20.3

Oct 1993 19.0

Nov 1993 23.7

Dec 1993 20.8

Jan 1994 18.5

Feb 1994 21.5

Mar 1994 16.2

Apr 1994 17.3

May 1994 17.0

Jun 1994 19.9

Jul 1994 18.1

Aug 1994 24.2

Sep 1994 15.8

Oct 1994 19.8

Nov 1994 23.3

Dec 1994 20.0

Jan 1995 21.6

Feb 1995 19.6

Mar 1995 18.5

Apr 1995 17.2

May 1995 16.7

Jun 1995 18.6

Jul 1995 20.4

Aug 1995 24.2

Sep 1995 24.5

Oct 1995 20.8

Nov 1995 24.1

Dec 1995 18.5

Time	sea level pressure
months since 1960-01-01	mb above 1000
Jan 1951	19.6
Feb 1951	19.4
Mar 1951	19.9
Apr 1951	16.7
May 1951	16.0
Jun 1951	19.0
Jul 1951	17.9
Aug 1951	18.4
Sep 1951	17.9
Oct 1951	21.3
Nov 1951	23.1
Dec 1951	20.7
Jan 1952	19.9
Feb 1952	18.6
Mar 1952	19.1
Apr 1952	15.8
May 1952	18.9
Jun 1952	19.5
Jul 1952	23.9
Aug 1952	21.5
Sep 1952	17.9
Oct 1952	21.5
Nov 1952	20.5
Dec 1952	19.7
Jan 1953	19.5
Feb 1953	16.4
Mar 1953	20.1
Apr 1953	17.2
May 1953	19.2
Jun 1953	20.9
Jul 1953	20.6
Aug 1953	18.0
Sep 1953	21.4
Oct 1953	27.0
Nov 1953	22.2
Dec 1953	20.9
Jan 1954	20.3
Feb 1954	22.5
Mar 1954	18.3
Apr 1954	18.7
May 1954	20.8
Jun 1954	19.4
Jul 1954	23.4
Aug 1954	20.4
Sep 1954	25.7
Oct 1954	26.0
Nov 1954	24.0
Dec 1954	22.8
Jan 1955	19.5
Feb 1955	22.3
Mar 1955	20.6
Apr 1955	22.1
May 1955	20.3
Jun 1955	21.5
Jul 1955	21.7
Aug 1955	23.1
Sep 1955	27.1
Oct 1955	26.1
Nov 1955	20.9
Dec 1955	22.7
Jan 1956	20.7
Feb 1956	20.0
Mar 1956	20.5
Apr 1956	20.6
May 1956	21.8
Jun 1956	19.3
Jul 1956	20.3
Aug 1956	22.0
Sep 1956	22.1
Oct 1956	21.5
Nov 1956	19.2
Dec 1956	15.4
Jan 1957	16.7
Feb 1957	17.2
Mar 1957	17.8
Apr 1957	17.2
May 1957	16.2
Jun 1957	16.6
Jul 1957	19.9
Aug 1957	21.9
Sep 1957	21.7
Oct 1957	23.3
Nov 1957	19.2
Dec 1957	19.2
Jan 1958	19.5
Feb 1958	20.5
Mar 1958	19.4
Apr 1958	15.0
May 1958	14.3
Jun 1958	21.9
Jul 1958	15.3
Aug 1958	22.4
Sep 1958	20.1
Oct 1958	21.6
Nov 1958	22.5
Dec 1958	16.8
Jan 1959	21.1
Feb 1959	19.8
Mar 1959	17.0
Apr 1959	20.6
May 1959	15.9
Jun 1959	22.8
Jul 1959	19.4
Aug 1959	24.4
Sep 1959	20.4
Oct 1959	21.7
Nov 1959	21.5
Dec 1959	20.6
Jan 1960	17.5
Feb 1960	19.2
Mar 1960	16.5
Apr 1960	17.6
May 1960	18.3
Jun 1960	17.9
Jul 1960	21.8
Aug 1960	22.2
Sep 1960	23.0
Oct 1960	23.4
Nov 1960	21.3
Dec 1960	17.7
Jan 1961	19.5
Feb 1961	21.3
Mar 1961	19.1
Apr 1961	19.1
May 1961	15.9
Jun 1961	17.2
Jul 1961	15.0
Aug 1961	17.2
Sep 1961	22.1
Oct 1961	20.8
Nov 1961	20.7
Dec 1961	18.7
Jan 1962	17.5
Feb 1962	16.8
Mar 1962	19.0
Apr 1962	20.0
May 1962	20.7
Jun 1962	19.0
Jul 1962	19.6
Aug 1962	24.3
Sep 1962	24.1
Oct 1962	23.9
Nov 1962	18.7
Dec 1962	20.5
Jan 1963	22.1
Feb 1963	21.5
Mar 1963	21.6
Apr 1963	16.7
May 1963	15.3
Jun 1963	19.3
Jul 1963	25.4
Aug 1963	20.3
Sep 1963	20.2
Oct 1963	20.1
Nov 1963	23.2
Dec 1963	19.6
Jan 1964	19.6
Feb 1964	20.1
Mar 1964	20.0
Apr 1964	20.2
May 1964	16.0
Jun 1964	21.7
Jul 1964	20.7
Aug 1964	23.3
Sep 1964	23.5
Oct 1964	19.8
Nov 1964	17.3
Dec 1964	20.4
Jan 1965	18.8
Feb 1965	18.6
Mar 1965	17.0
Apr 1965	19.2
May 1965	15.7
Jun 1965	17.2
Jul 1965	18.7
Aug 1965	20.0
Sep 1965	20.0
Oct 1965	23.7
Nov 1965	18.7
Dec 1965	16.8
Jan 1966	18.0
Feb 1966	20.4
Mar 1966	19.0
Apr 1966	17.7
May 1966	15.6
Jun 1966	23.7
Jul 1966	17.9
Aug 1966	22.9
Sep 1966	24.1
Oct 1966	21.7
Nov 1966	20.0
Dec 1966	21.4
Jan 1967	19.3
Feb 1967	21.1
Mar 1967	19.9
Apr 1967	17.0
May 1967	20.1
Jun 1967	24.1
Jul 1967	26.7
Aug 1967	23.8
Sep 1967	25.2
Oct 1967	21.5
Nov 1967	19.9
Dec 1967	20.3
Jan 1968	20.0
Feb 1968	18.0
Mar 1968	23.0
Apr 1968	18.0
May 1968	17.0
Jun 1968	23.0
Jul 1968	21.0
Aug 1968	19.0
Sep 1968	17.0
Oct 1968	23.0
Nov 1968	20.0
Dec 1968	20.0
Jan 1969	16.0
Feb 1969	21.0
Mar 1969	21.0
Apr 1969	18.0
May 1969	17.0
Jun 1969	19.0
Jul 1969	17.0
Aug 1969	22.0
Sep 1969	20.0
Oct 1969	22.0
Nov 1969	25.0
Dec 1969	20.0
Jan 1970	21.0
Feb 1970	20.0
Mar 1970	17.0
Apr 1970	17.0
May 1970	23.0
Jun 1970	22.0
Jul 1970	24.0
Aug 1970	22.0
Sep 1970	22.0
Oct 1970	22.0
Nov 1970	24.0
Dec 1970	22.0
Jan 1971	21.3
Feb 1971	20.5
Mar 1971	21.2
Apr 1971	19.2
May 1971	24.7
Jun 1971	24.1
Jul 1971	17.7
Aug 1971	23.7
Sep 1971	23.5
Oct 1971	20.8
Nov 1971	22.8
Dec 1971	20.9
Jan 1972	16.2
Feb 1972	16.6
Mar 1972	20.1
Apr 1972	18.1
May 1972	14.3
Jun 1972	13.1
Jul 1972	19.3
Aug 1972	17.0
Sep 1972	18.5
Oct 1972	20.8
Nov 1972	20.0
Dec 1972	18.5
Jan 1973	19.8
Feb 1973	21.0
Mar 1973	20.0
Apr 1973	17.9
May 1973	18.4
Jun 1973	20.5
Jul 1973	20.8
Aug 1973	22.2
Sep 1973	25.0
Oct 1973	23.0
Nov 1973	21.9
Dec 1973	23.1
Jan 1974	20.8
Feb 1974	21.5
Mar 1974	20.9
Apr 1974	18.3
May 1974	17.1
Jun 1974	22.5
Jul 1974	22.0
Aug 1974	17.4
Sep 1974	22.2
Oct 1974	23.0
Nov 1974	23.4
Dec 1974	19.1
Jan 1975	18.0
Feb 1975	15.5
Mar 1975	20.4
Apr 1975	16.5
May 1975	19.0
Jun 1975	20.0
Jul 1975	20.5
Aug 1975	24.1
Sep 1975	23.7
Oct 1975	22.9
Nov 1975	21.6
Dec 1975	20.4
Jan 1976	19.6
Feb 1976	20.4
Mar 1976	19.3
Apr 1976	16.6
May 1976	14.4
Jun 1976	16.0
Jul 1976	17.3
Aug 1976	22.3
Sep 1976	18.2
Oct 1976	17.2
Nov 1976	18.7
Dec 1976	14.1
Jan 1977	16.1
Feb 1977	20.6
Mar 1977	16.1
Apr 1977	14.6
May 1977	13.6
Jun 1977	19.4
Jul 1977	24.7
Aug 1977	23.6
Sep 1977	17.7
Oct 1977	19.3
Nov 1977	21.5
Dec 1977	18.6
Jan 1978	21.3
Feb 1978	18.6
Mar 1978	19.1
Apr 1978	16.1
May 1978	17.1
Jun 1978	20.2
Jul 1978	18.9
Aug 1978	22.6
Sep 1978	21.9
Oct 1978	17.6
Nov 1978	18.2
Dec 1978	19.0
Jan 1979	17.0
Feb 1979	20.0
Mar 1979	18.8
Apr 1979	14.2
May 1979	14.9
Jun 1979	22.3
Jul 1979	17.5
Aug 1979	14.4
Sep 1979	22.0
Oct 1979	21.1
Nov 1979	17.4
Dec 1979	18.4
Jan 1980	19.5
Feb 1980	18.5
Mar 1980	16.6
Apr 1980	18.3
May 1980	18.7
Jun 1980	20.0
Jul 1980	19.8
Aug 1980	20.7
Sep 1980	19.2
Oct 1980	23.1
Nov 1980	19.4
Dec 1980	17.8
Jan 1981	21.6
Feb 1981	21.2
Mar 1981	17.9
Apr 1981	17.2
May 1981	18.1
Jun 1981	17.9
Jul 1981	19.8
Aug 1981	19.8
Sep 1981	17.8
Oct 1981	20.7
Nov 1981	22.0
Dec 1981	20.7
Jan 1982	20.7
Feb 1982	21.0
Mar 1982	19.7
Apr 1982	14.3
May 1982	18.2
Jun 1982	20.8
Jul 1982	17.4
Aug 1982	16.2
Sep 1982	18.3
Oct 1982	19.3
Nov 1982	16.4
Dec 1982	16.5
Jan 1983	13.7
Feb 1983	14.6
Mar 1983	17.4
Apr 1983	17.3
May 1983	17.5
Jun 1983	19.7
Jul 1983	19.0
Aug 1983	23.1
Sep 1983	23.0
Oct 1983	21.0
Nov 1983	22.1
Dec 1983	19.0
Jan 1984	17.0
Feb 1984	18.9
Mar 1984	19.0
Apr 1984	15.8
May 1984	18.2
Jun 1984	19.8
Jul 1984	21.0
Aug 1984	20.6
Sep 1984	18.2
Oct 1984	21.9
Nov 1984	21.8
Dec 1984	19.3
Jan 1985	20.8
Feb 1985	19.6
Mar 1985	19.5
Apr 1985	20.9
May 1985	18.0
Jun 1985	18.0
Jul 1985	20.1
Aug 1985	26.0
Sep 1985	23.6
Oct 1985	19.7
Nov 1985	21.1
Dec 1985	22.1
Jan 1986	21.3
Feb 1986	20.2
Mar 1986	20.6
Apr 1986	18.2
May 1986	15.2
Jun 1986	18.8
Jul 1986	14.5
Aug 1986	18.1
Sep 1986	19.0
Oct 1986	19.9
Nov 1986	20.7
Dec 1986	21.4
Jan 1987	21.0
Feb 1987	16.8
Mar 1987	16.4
Apr 1987	19.5
May 1987	18.9
Jun 1987	14.4
Jul 1987	15.8
Aug 1987	17.4
Sep 1987	19.2
Oct 1987	20.9
Nov 1987	20.7
Dec 1987	20.6
Jan 1988	20.3
Feb 1988	16.7
Mar 1988	18.3
Apr 1988	18.6
May 1988	16.8
Jun 1988	23.5
Jul 1988	23.2
Aug 1988	22.3
Sep 1988	26.7
Oct 1988	22.7
Nov 1988	23.3
Dec 1988	20.6
Jan 1989	19.9
Feb 1989	18.0
Mar 1989	19.7
Apr 1989	17.9
May 1989	17.5
Jun 1989	20.1
Jul 1989	22.0
Aug 1989	21.9
Sep 1989	20.9
Oct 1989	23.2
Nov 1989	17.9
Dec 1989	20.4
Jan 1990	24.1
Feb 1990	17.2
Mar 1990	18.8
Apr 1990	17.7
May 1990	18.6
Jun 1990	17.4
Jul 1990	21.2
Aug 1990	19.0
Sep 1990	20.5
Oct 1990	25.5
Nov 1990	23.7
Dec 1990	19.7
Jan 1991	20.2
Feb 1991	19.9
Mar 1991	16.5
Apr 1991	16.5
May 1991	13.5
Jun 1991	13.1
Jul 1991	22.0
Aug 1991	25.0
Sep 1991	18.9
Oct 1991	20.8
Nov 1991	19.5
Dec 1991	16.9
Jan 1992	18.5
Feb 1992	18.7
Mar 1992	15.8
Apr 1992	18.8
May 1992	17.3
Jun 1992	19.8
Jul 1992	21.8
Aug 1992	19.9
Sep 1992	21.4
Oct 1992	22.3
Nov 1992	18.1
Dec 1992	20.2
Jan 1993	15.8
Feb 1993	17.0
Mar 1993	16.4
Apr 1993	16.6
May 1993	20.7
Jun 1993	17.0
Jul 1993	20.8
Aug 1993	18.1
Sep 1993	20.3
Oct 1993	19.0
Nov 1993	23.7
Dec 1993	20.8
Jan 1994	18.5
Feb 1994	21.5
Mar 1994	16.2
Apr 1994	17.3
May 1994	17.0
Jun 1994	19.9
Jul 1994	18.1
Aug 1994	24.2
Sep 1994	15.8
Oct 1994	19.8
Nov 1994	23.3
Dec 1994	20.0
Jan 1995	21.6
Feb 1995	19.6
Mar 1995	18.5
Apr 1995	17.2
May 1995	16.7
Jun 1995	18.6
Jul 1995	20.4
Aug 1995	24.2
Sep 1995	24.5
Oct 1995	20.8
Nov 1995	24.1
Dec 1995	18.5