Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1971 | - | - | 983.0(100) | 987.4(100) | 999.3(100) | 990.7(100) | 992.0(100) | 993.3(100) | 982.7(100) | 988.3(100) | 988.8(100) | 995.1(100) |
1972 | 993.3(100) | 989.0(100) | 990.8(100) | 992.2(100) | 989.7(100) | 996.3(100) | 990.5(100) | 996.4(100) | 985.4(100) | 976.9(100) | 983.2(100) | 992.1(100) |
1973 | 996.1(100) | 988.6(100) | 984.1(100) | 986.7(100) | 993.1(100) | 987.4(100) | 988.2(100) | 983.6(100) | 982.5(100) | 979.7(100) | 983.7(100) | 986.0(100) |
1974 | 993.0(100) | 981.2(100) | 982.5(100) | 986.3(100) | 987.8(100) | 991.9(100) | 991.8(100) | 994.5(100) | 978.6(100) | 985.8(100) | 992.4(100) | 994.1(100) |
1975 | 994.2(100) | 987.9(100) | 986.9(100) | 982.6(100) | 997.8(100) | 989.6(100) | 995.4(100) | 979.3(100) | 974.9(100) | 981.4(100) | 985.0(100) | 993.5(100) |
1976 | 991.7(100) | 990.9(100) | 983.0(100) | 979.9(100) | 988.6(100) | 988.1(100) | 984.5(100) | 986.5(100) | 980.9(100) | 982.6(100) | 989.8(100) | 1003.3(100) |
1977 | 995.6(100) | 986.4(100) | 987.0(100) | 988.5(100) | 994.3(100) | 992.8(100) | 990.8(100) | 990.8(100) | 977.9(100) | 973.7(100) | 980.9(100) | 990.1(100) |
1978 | 987.0(100) | 986.8(100) | 984.1(100) | 987.2(100) | 990.4(100) | 990.3(100) | 1001.4(100) | 980.1(100) | 984.4(100) | 981.7(100) | 986.0(100) | 989.5(100) |
1979 | 989.1(100) | 983.9(100) | 980.5(100) | 984.9(100) | 984.6(100) | 982.5(100) | 979.4(100) | 991.0(100) | 980.2(100) | 983.7(100) | 984.2(100) | 992.4(100) |
1980 | 992.6(100) | 994.9(100) | 986.6(100) | 991.5(100) | 989.2(100) | 987.2(100) | 998.9(100) | 988.5(100) | 993.2(100) | 977.9(100) | 994.5(100) | 991.4(100) |
1981 | 989.7(100) | 987.3(100) | 992.6(100) | 994.0(100) | 986.5(100) | 989.8(100) | 995.2(100) | 996.1(100) | 990.3(100) | 982.8(100) | 981.2(100) | 983.4(100) |
1982 | 993.1(100) | 988.1(100) | 977.7(100) | 980.8(100) | 990.6(100) | 986.0(100) | 992.1(100) | 977.8(100) | 976.7(100) | 983.6(100) | 984.4(100) | 996.9(100) |
1983 | 995.1(100) | 993.5(100) | 981.7(100) | 982.3(100) | 985.9(100) | 990.3(100) | 984.0(100) | 983.5(100) | 983.4(100) | 973.1(100) | 979.6(100) | 985.8(100) |
1984 | 999.0(100) | 988.9(100) | 983.2(100) | 983.1(100) | 993.2(100) | 984.6(100) | 983.7(100) | 991.7(100) | 984.0(100) | 977.6(100) | 982.6(100) | 997.1(100) |
1985 | 995.7(100) | 988.0(100) | 986.9(100) | 987.9(100) | 988.9(100) | 988.5(100) | 976.7(100) | 988.9(100) | 978.9(100) | 979.0(100) | 976.0(100) | 982.6(100) |
1986 | 990.8(100) | 1000.1(100) | 990.8(100) | 983.1(100) | 990.4(100) | 988.7(100) | 986.3(100) | 989.3(100) | 980.3(100) | 981.1(100) | 980.7(100) | 986.3(100) |
1987 | 997.7(100) | 990.9(100) | 984.5(100) | 988.7(100) | 983.2(100) | 989.3(100) | 991.8(100) | 974.6(100) | 991.2(100) | 982.0(100) | 982.4(100) | 990.5(100) |
1988 | 992.5(100) | 984.8( 99) | 984.7(100) | 983.6( 99) | 991.0(100) | 989.2(100) | 981.3(100) | 979.4(100) | 985.9(100) | 993.2(100) | 984.3( 99) | 985.4(100) |
1989 | 988.8(100) | 985.6(100) | 982.1(100) | 990.3(100) | 975.7(100) | 982.5( 99) | 984.2(100) | 989.0(100) | 988.6(100) | 979.7(100) | 979.5(100) | 991.9(100) |
1990 | 991.3(100) | 981.8(100) | 984.5(100) | 994.5(100) | 995.2(100) | 992.1(100) | 997.8(100) | 986.3(100) | 976.5(100) | 985.4(100) | 987.3(100) | 987.7(100) |
1991 | 984.0(100) | 988.2( 98) | - | - | - | - | - | - | - | - | - | - |
1992 | - | - | - | - | - | - | - | - | - | - | - | - |
1993 | - | - | - | - | - | - | - | - | - | - | - | - |
1994 | - | - | - | - | - | - | - | - | - | - | - | - |
1995 | - | - | - | - | - | - | - | - | - | - | - | - |
1996 | - | - | - | - | - | - | - | - | - | - | - | - |
1997 | - | - | - | - | - | - | - | - | - | - | - | - |
1998 | - | - | - | - | - | - | - | - | - | - | - | - |
1999 | - | - | - | - | - | - | - | - | - | - | - | - |
2000 | - | - | - | - | - | - | - | - | - | - | - | - |
2001 | - | - | - | - | - | - | - | - | - | - | - | - |
2002 | - | - | - | - | - | - | - | - | - | - | - | - |
2003 | - | - | - | - | - | - | - | - | - | - | - | - |
2004 | - | - | - | - | - | - | - | - | - | - | - | - |
2005 | - | - | - | - | - | - | - | - | - | - | - | - |
2006 | - | - | - | - | - | - | - | - | - | - | - | - |
2007 | - | - | - | - | - | - | - | - | - | - | - | - |
2008 | - | - | 991.4( 18) | 990.9( 92) | 990.7( 97) | 982.6( 96) | 986.6( 94) | 989.5( 98) | 980.8( 97) | 977.3( 88) | 983.0( 92) | 985.3( 98) |
2009 | 984.6( 94) | - | - | - | - | - | - | - | - | - | - | - |