Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1971 | - | - | 982.3(100) | 987.6(100) | 999.2(100) | 990.6(100) | 992.6(100) | 992.5(100) | 983.1(100) | 988.4(100) | 989.3(100) | 995.3(100) |
1972 | 993.2(100) | 988.9(100) | 991.0(100) | 992.0(100) | 989.4(100) | 996.5(100) | 990.4(100) | 996.5(100) | 985.3(100) | 977.0(100) | 983.4(100) | 992.0(100) |
1973 | 996.1(100) | 988.6(100) | 984.1(100) | 986.7(100) | 992.8(100) | 987.5(100) | 987.3(100) | 983.1(100) | 982.3(100) | 980.0(100) | 983.5(100) | 986.5(100) |
1974 | 992.8(100) | 981.2(100) | 982.3(100) | 986.2(100) | 987.8(100) | 991.5(100) | 991.6(100) | 994.1(100) | 977.7(100) | 985.8(100) | 992.9(100) | 993.9(100) |
1975 | 993.9(100) | 988.1(100) | 986.9(100) | 982.4(100) | 997.4(100) | 989.6(100) | 995.0(100) | 979.3(100) | 974.7(100) | 981.3(100) | 984.9(100) | 993.7(100) |
1976 | 991.5(100) | 990.7(100) | 982.7(100) | 980.2(100) | 988.5(100) | 988.7(100) | 984.4(100) | 985.8(100) | 980.5(100) | 982.8(100) | 990.1(100) | 1003.4(100) |
1977 | 995.4(100) | 986.4(100) | 986.9(100) | 988.4(100) | 994.2(100) | 992.7(100) | 990.9(100) | 990.9(100) | 977.3(100) | 973.8(100) | 981.0(100) | 989.9(100) |
1978 | 987.1(100) | 986.8(100) | 983.8(100) | 987.5(100) | 990.4(100) | 990.4(100) | 1001.2(100) | 980.1(100) | 984.1(100) | 981.6(100) | 986.1(100) | 989.7(100) |
1979 | 988.9(100) | 983.8(100) | 980.2(100) | 985.1(100) | 984.1(100) | 982.3(100) | 979.1(100) | 991.5(100) | 979.5(100) | 983.8(100) | 984.7(100) | 992.4(100) |
1980 | 992.8(100) | 994.6(100) | 986.7(100) | 991.1(100) | 989.2(100) | 987.1(100) | 998.8(100) | 988.5(100) | 993.1(100) | 978.2(100) | 994.5(100) | 991.7(100) |
1981 | 989.7(100) | 987.5(100) | 991.9(100) | 993.7(100) | 986.3(100) | 990.0(100) | 995.1(100) | 995.5(100) | 990.7(100) | 982.9(100) | 981.6(100) | 983.5(100) |
1982 | 993.2(100) | 988.1(100) | 977.3(100) | 980.5(100) | 990.4(100) | 986.2(100) | 992.1(100) | 977.4(100) | 976.1(100) | 984.2(100) | 985.0(100) | 997.0(100) |
1983 | 995.0(100) | 992.9(100) | 981.7(100) | 981.9(100) | 985.8(100) | 990.2(100) | 983.2(100) | 984.1(100) | 983.1(100) | 973.6(100) | 980.0(100) | 985.7(100) |
1984 | 999.2(100) | 988.5(100) | 983.2(100) | 983.0(100) | 993.2(100) | 984.7(100) | 983.3(100) | 991.8(100) | 984.0(100) | 977.5(100) | 982.9(100) | 997.3(100) |
1985 | 995.8(100) | 988.1(100) | 986.3(100) | 987.9(100) | 989.1(100) | 987.6(100) | 976.5(100) | 988.3(100) | 979.0(100) | 979.3(100) | 976.1(100) | 982.9(100) |
1986 | 991.0(100) | 1000.1(100) | 990.3(100) | 983.1(100) | 990.2(100) | 989.0(100) | 986.0(100) | 989.3(100) | 980.0(100) | 981.1(100) | 980.8(100) | 986.4(100) |
1987 | 998.0(100) | 990.4(100) | 984.9(100) | 988.7(100) | 982.6(100) | 989.6(100) | 991.4(100) | 974.4(100) | 991.5(100) | 982.1(100) | 982.3(100) | 990.7(100) |
1988 | 992.3(100) | 984.7(100) | 984.7(100) | 983.3(100) | 991.0(100) | 996.8(100) | 980.8(100) | 979.0(100) | 986.2(100) | 993.2(100) | 984.5(100) | 985.5(100) |
1989 | 988.5(100) | 985.6(100) | 982.2(100) | 989.9(100) | 975.6(100) | 981.6(100) | 984.4(100) | 989.4(100) | 987.4(100) | 980.1(100) | 980.0(100) | 992.0(100) |
1990 | 991.0(100) | 981.8(100) | 984.2(100) | 994.6(100) | 995.1(100) | 991.9(100) | 997.5(100) | 986.9(100) | 976.7(100) | 985.7(100) | 987.1(100) | 988.0(100) |
1991 | 984.1(100) | 989.0( 96) | - | - | - | - | - | - | - | - | - | - |
1992 | - | - | - | - | - | - | - | - | - | - | - | - |
1993 | - | - | - | - | - | - | - | - | - | - | - | - |
1994 | - | - | - | - | - | - | - | - | - | - | - | - |
1995 | - | - | - | - | - | - | - | - | - | - | - | - |
1996 | - | - | - | - | - | - | - | - | - | - | - | - |
1997 | - | - | - | - | - | - | - | - | - | - | - | - |
1998 | - | - | - | - | - | - | - | - | - | - | - | - |
1999 | - | - | - | - | - | - | - | - | - | - | - | - |
2000 | - | - | - | - | - | - | - | - | - | - | - | - |
2001 | - | - | - | - | - | - | - | - | - | - | - | - |
2002 | - | - | - | - | - | - | - | - | - | - | - | - |
2003 | - | - | - | - | - | - | - | - | - | - | - | - |
2004 | - | - | - | - | - | - | - | - | - | - | - | - |
2005 | - | - | - | - | - | - | - | - | - | - | - | - |
2006 | - | - | - | - | - | - | - | - | - | - | - | - |
2007 | - | - | - | - | - | - | - | - | - | - | - | - |
2008 | - | - | 991.2( 19) | 990.7( 97) | 990.2(100) | 983.0( 97) | 986.7( 97) | 990.0(100) | 980.5( 93) | 976.9( 84) | 983.7( 90) | 985.6(100) |
2009 | 984.9( 90) | - | - | - | - | - | - | - | - | - | - | - |