Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1958 | 8.0(100) | 6.6(100) | 9.4(100) | 7.5(100) | 10.5(100) | 9.3(100) | 9.1( 97) | 8.3(100) | 9.6(100) | 5.7(100) | 6.9(100) | 7.4(100) |
1959 | 7.3(100) | 8.4(100) | 12.3(100) | 11.1(100) | 9.4(100) | 9.6(100) | 10.5(100) | 10.9(100) | 12.6(100) | 11.5(100) | 11.1(100) | 9.0(100) |
1960 | 8.8( 55) | 9.8(100) | 10.7(100) | 9.6(100) | 8.9(100) | 10.4(100) | 10.0(100) | 9.9(100) | 10.4(100) | 10.8(100) | 9.1(100) | 9.9(100) |
1961 | 8.4(100) | 10.9(100) | 11.1(100) | 9.1(100) | 9.2(100) | 9.0(100) | 8.5(100) | 8.9(100) | 9.7(100) | 12.0(100) | 9.5(100) | 7.8(100) |
1962 | - | - | - | - | - | - | - | - | - | - | - | - |
1963 | - | 7.4(100) | 10.3(100) | 10.8(100) | 10.9(100) | 11.9(100) | 11.7(100) | 11.0(100) | 11.8(100) | 9.9(100) | 8.2(100) | 7.8(100) |
1964 | 8.0(100) | 6.7(100) | 7.3(100) | 8.2(100) | 8.3(100) | 10.0(100) | 9.6(100) | 8.5(100) | 9.0(100) | 8.8(100) | 8.9(100) | 7.4(100) |
1965 | 8.0(100) | 8.8(100) | 10.5(100) | 10.7(100) | 10.3(100) | 10.1(100) | 9.0(100) | 10.6(100) | 10.6(100) | 10.5(100) | 8.7(100) | 8.8(100) |
1966 | 7.6(100) | 8.7(100) | 9.8(100) | 8.4(100) | 9.9(100) | 9.7(100) | 10.0(100) | 10.4(100) | 10.3(100) | 10.3(100) | 10.5(100) | 9.8(100) |
1967 | 7.6(100) | 8.1(100) | 10.4(100) | 14.8(100) | 14.1(100) | 13.9(100) | 12.4(100) | 11.1(100) | 12.6(100) | 14.5(100) | 11.6(100) | 8.8(100) |
1968 | 7.2(100) | 11.5(100) | 14.5(100) | 17.1(100) | 14.7(100) | 12.6(100) | 13.5(100) | 13.0(100) | 12.7(100) | 15.3(100) | 12.5(100) | 9.7(100) |
1969 | 11.1(100) | 11.8(100) | 15.1(100) | 14.5(100) | 13.9(100) | 15.1(100) | 14.0(100) | 12.9(100) | 12.6(100) | 13.3(100) | 13.1(100) | 12.0(100) |
1970 | 13.2(100) | 9.4(100) | 9.8(100) | 8.9(100) | 10.3(100) | 9.4(100) | 8.4(100) | 10.2(100) | 8.7(100) | 9.0(100) | 7.8(100) | 7.4(100) |
1971 | 8.2(100) | 12.0(100) | 12.7(100) | 11.5(100) | 11.8(100) | 11.7(100) | 12.2(100) | 12.8(100) | 12.9(100) | 11.5(100) | 11.5(100) | 11.1(100) |
1972 | 7.6(100) | 9.7(100) | 10.4(100) | 10.6(100) | 10.6(100) | 10.7(100) | 10.9(100) | 11.4(100) | 10.2(100) | 11.7(100) | 9.7(100) | 8.3(100) |
1973 | 8.5(100) | 10.3(100) | 10.4(100) | 10.6(100) | 10.2(100) | 9.8(100) | 8.3(100) | 9.6(100) | 10.6(100) | 10.9(100) | 10.1(100) | 8.0(100) |
1974 | 8.5(100) | 10.2(100) | 10.0(100) | 9.8(100) | 11.1(100) | 11.0(100) | 12.6(100) | 11.3(100) | 11.4(100) | 10.9(100) | 11.1(100) | 9.1(100) |
1975 | 8.3(100) | 7.8(100) | 9.5(100) | 9.9(100) | 7.7(100) | 9.0(100) | 10.0(100) | 9.8(100) | 9.3(100) | 9.7(100) | 9.3(100) | 8.3(100) |
1976 | 8.4(100) | 9.2(100) | 9.7(100) | 9.3(100) | 7.1(100) | 8.6(100) | 8.4(100) | 8.2(100) | 4.7(100) | 5.9(100) | 6.3(100) | 7.8(100) |
1977 | 8.6(100) | 10.0(100) | 10.4(100) | 10.2(100) | 11.5(100) | 11.6(100) | 11.9(100) | 10.3(100) | 9.7(100) | 9.9(100) | 9.0(100) | 8.2(100) |
1978 | 8.0(100) | 7.8(100) | 9.0(100) | 9.2(100) | 8.5(100) | 9.8(100) | 11.0(100) | 10.8(100) | 11.3(100) | 8.6(100) | 9.2(100) | 7.8( 97) |
1979 | 8.0(100) | 8.2(100) | 10.3(100) | 10.9(100) | 9.4(100) | 10.4(100) | 11.4(100) | 9.2(100) | 10.2(100) | 10.1(100) | 9.4(100) | 6.3(100) |
1980 | 8.2(100) | 10.6(100) | 10.1(100) | 10.8(100) | 10.8(100) | 12.3(100) | 9.6(100) | 11.3(100) | 9.3(100) | 10.8(100) | 9.1(100) | 7.3(100) |
1981 | 7.5(100) | 9.3(100) | 9.2(100) | 10.3(100) | 9.6(100) | 9.8(100) | 10.9(100) | 10.1(100) | 10.6(100) | 9.3(100) | 9.5(100) | 8.0(100) |
1982 | 8.1(100) | 9.4(100) | 11.1(100) | 12.2(100) | 11.7(100) | 12.7(100) | 11.4(100) | 8.6(100) | 9.3(100) | 8.0(100) | 8.9(100) | 6.8(100) |
1983 | 8.8(100) | 10.6(100) | 11.7(100) | 11.5(100) | 13.3(100) | 12.4(100) | 11.9(100) | 12.0(100) | 11.0(100) | 12.0(100) | 8.7(100) | 8.4(100) |
1984 | 9.3(100) | 10.2(100) | 10.3(100) | 10.9(100) | 11.2(100) | 9.6(100) | 11.4(100) | 10.4(100) | 11.4(100) | 10.3(100) | 10.7(100) | 9.2(100) |
1985 | 8.4(100) | 9.1(100) | 10.0(100) | 12.2(100) | 11.5(100) | 11.7(100) | 10.6(100) | 10.9(100) | 12.3(100) | 11.8(100) | 10.7(100) | 10.0(100) |
1986 | 10.6(100) | 10.8(100) | 11.3(100) | 11.9(100) | 11.9(100) | 11.5(100) | 11.6(100) | 11.1(100) | 11.5(100) | 11.7(100) | 11.0(100) | 9.4(100) |
1987 | 9.9(100) | 10.5(100) | 11.1(100) | 11.7(100) | 11.2(100) | 12.5(100) | 10.6(100) | 10.6(100) | 9.2(100) | 9.0(100) | 9.6(100) | 8.4(100) |
1988 | 10.1(100) | 10.4(100) | 12.2(100) | 12.0(100) | 11.0(100) | 10.9(100) | 10.7(100) | 11.3(100) | 11.4(100) | 10.4(100) | 9.9(100) | 7.8(100) |
1989 | 8.4(100) | 10.6(100) | 11.9(100) | 11.0(100) | 11.3(100) | 11.4(100) | 11.5(100) | 11.4(100) | 11.5(100) | 11.2(100) | 10.5(100) | 9.8(100) |
1990 | 9.1(100) | 10.3(100) | 10.5(100) | 11.7( 97) | 10.7(100) | 10.7(100) | 9.5(100) | 10.1(100) | 10.9(100) | 10.3(100) | 8.8(100) | 8.2(100) |
1991 | 9.1(100) | 9.8(100) | 11.0(100) | 10.0(100) | 11.1(100) | 10.5(100) | 12.1(100) | 9.2(100) | 11.5(100) | 9.6(100) | 10.2(100) | 8.3(100) |
1992 | 8.9(100) | 9.3(100) | 11.1(100) | 11.1(100) | 10.5(100) | 11.2(100) | 10.9(100) | 10.9(100) | 11.7(100) | 11.2(100) | 9.8(100) | 7.2(100) |
1993 | 9.3(100) | 9.5(100) | 11.0(100) | 11.2(100) | 12.5(100) | 11.0(100) | 11.1(100) | 10.5(100) | 10.4(100) | 11.4(100) | 10.2(100) | 10.3( 97) |
1994 | 10.0( 90) | 9.6( 32) | - | - | - | - | - | - | - | - | 8.0( 13) | - |
1995 | 9.0(100) | 10.9(100) | 10.5(100) | 11.6(100) | 11.2(100) | 10.9(100) | 12.8(100) | 9.8(100) | 10.0(100) | 11.3(100) | 9.8(100) | 9.4( 97) |
1996 | 8.9( 65) | - | - | - | - | - | - | - | - | - | - | - |
1997 | 8.0(100) | 9.4(100) | 11.4(100) | 12.0(100) | 11.6(100) | 11.0(100) | 10.5(100) | 11.4(100) | 11.5(100) | 10.5(100) | 10.7(100) | 9.8(100) |
1998 | 8.5(100) | 9.1(100) | 10.6(100) | 9.8(100) | 11.5(100) | 10.2(100) | 10.4(100) | 10.5(100) | 9.8(100) | 9.6(100) | 10.4(100) | 7.7(100) |
1999 | 8.9(100) | 9.6(100) | 11.4(100) | 10.3(100) | 10.8(100) | 9.4(100) | 9.8(100) | 11.1(100) | 11.5(100) | 11.1(100) | 9.3(100) | 8.6(100) |
2000 | 8.8(100) | 11.0(100) | 10.4(100) | 10.6(100) | 10.0(100) | 8.9(100) | 5.2(100) | 7.5(100) | 6.6(100) | 10.1(100) | 10.8(100) | 8.4(100) |
2001 | 7.7(100) | 9.4(100) | 10.6(100) | 10.0(100) | 8.5(100) | 9.6(100) | 7.7(100) | 10.1(100) | 8.5(100) | 10.5(100) | 10.6(100) | 8.5(100) |
2002 | 9.0(100) | 9.4(100) | 10.7(100) | 9.5(100) | 7.3(100) | 6.8(100) | 8.7(100) | 7.5(100) | 6.4(100) | 12.3(100) | 10.1(100) | 8.9(100) |
2003 | 8.9( 97) | 9.9( 71) | - | - | - | - | - | - | - | - | - | - |
2004 | - | 11.2( 69) | 9.5(100) | 8.0(100) | 7.5(100) | 5.5(100) | 6.0(100) | 6.6(100) | 7.0(100) | 5.0(100) | 6.4(100) | 5.2(100) |
2005 | 4.8(100) | 8.1(100) | 11.1(100) | 9.4(100) | 9.0(100) | 9.6(100) | 10.6(100) | 9.4(100) | 9.6(100) | 11.4(100) | 10.6(100) | 9.8(100) |
2006 | 8.6(100) | 9.9(100) | 9.8(100) | 10.4(100) | 9.2(100) | 8.9(100) | 6.5(100) | 6.5(100) | 7.0(100) | 7.8( 97) | 11.4( 93) | 8.6( 97) |
2007 | 9.6( 97) | 9.1( 54) | 11.0( 23) | 11.4( 97) | 8.8( 84) | 6.7( 83) | 4.8( 94) | 4.8( 97) | 5.0(100) | 6.9( 97) | 10.4(100) | 10.2( 97) |
2008 | 7.9(100) | 10.7(100) | 11.3(100) | 9.1(100) | 9.5(100) | 8.9(100) | 11.9(100) | 9.6(100) | 9.9(100) | 11.5(100) | 10.5(100) | 8.5(100) |
2009 | 8.7( 97) | - | - | - | - | - | - | - | - | - | - | - |