Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1980 | - | - | - | 980.4(100) | 986.9(100) | 980.7(100) | 990.7(100) | 982.4(100) | 987.7(100) | 966.6(100) | 991.5(100) | 988.8(100) |
1981 | 987.6(100) | 990.0(100) | 982.7(100) | 991.3(100) | 981.7(100) | 973.6(100) | 978.4(100) | 988.6(100) | 986.9(100) | 977.8(100) | 973.0(100) | 977.3(100) |
1982 | 992.0(100) | 984.8(100) | 977.1(100) | 976.2(100) | 981.1(100) | 976.9(100) | 983.9(100) | 975.8(100) | 968.7(100) | 977.0(100) | 983.5(100) | 997.2(100) |
1983 | 993.2(100) | 989.5(100) | 980.7(100) | 971.4(100) | 980.1(100) | 985.3(100) | 973.0(100) | 969.5(100) | 978.2(100) | 964.8(100) | 972.8(100) | 981.3(100) |
1984 | 993.3(100) | 988.4(100) | 977.0(100) | 980.5(100) | 983.4(100) | 980.9(100) | 971.9(100) | 976.4(100) | 975.0(100) | 983.7(100) | 976.3(100) | 990.4(100) |
1985 | 989.4(100) | 986.4(100) | 978.9(100) | 978.4(100) | 984.1(100) | 981.0(100) | 972.2(100) | 973.3(100) | 970.7(100) | 971.5(100) | 971.6(100) | 977.6(100) |
1986 | 985.0(100) | 987.6(100) | 986.0(100) | 978.7(100) | 997.0(100) | 993.8(100) | 979.0(100) | 979.5(100) | 975.8(100) | 968.2(100) | 979.7(100) | 981.0(100) |
1987 | 990.6(100) | 987.8(100) | 980.0(100) | 981.7(100) | 978.8(100) | 985.4(100) | 990.5(100) | 975.8(100) | 986.2(100) | 971.7(100) | 975.7(100) | 984.1(100) |
1988 | 988.6(100) | 983.0(100) | 983.4(100) | 971.5(100) | 985.0(100) | 988.5(100) | 976.5(100) | 979.5(100) | 978.8(100) | 983.4(100) | 978.0(100) | 984.7(100) |
1989 | 984.1(100) | 981.3(100) | 977.6(100) | 985.6(100) | 965.3(100) | 972.9(100) | 971.3(100) | 978.6(100) | 974.4(100) | 971.9(100) | 973.5(100) | 989.2(100) |
1990 | 989.1(100) | 976.8(100) | 981.1( 44) | - | - | - | - | - | - | - | - | - |
1991 | - | - | - | - | - | - | - | - | - | - | - | - |
1992 | - | - | - | - | - | - | - | - | - | - | - | - |
1993 | - | - | - | - | - | - | - | - | - | - | - | - |
1994 | - | - | - | - | - | - | - | - | - | - | - | - |
1995 | - | - | - | - | - | - | - | - | - | - | - | - |
1996 | - | - | - | - | - | - | - | - | - | - | - | - |
1997 | - | - | - | - | - | - | - | - | - | - | - | - |
1998 | - | - | - | - | - | - | - | - | - | - | - | - |
1999 | - | - | - | - | - | - | - | - | - | - | - | - |
2000 | - | - | - | - | - | - | - | - | - | - | - | - |
2001 | - | - | - | - | - | - | - | - | - | - | - | - |
2002 | - | - | - | - | - | - | - | - | - | - | - | - |
2003 | - | - | - | - | - | - | - | - | - | - | - | - |
2004 | - | - | - | - | - | - | - | - | - | - | - | - |
2005 | - | - | - | - | - | - | - | - | - | - | - | - |
2006 | - | - | - | - | - | - | - | - | - | - | - | - |
2007 | - | - | - | - | - | - | - | - | - | - | - | - |
2008 | - | - | - | - | - | - | - | - | - | - | - | - |
2009 | - | - | - | - | - | - | - | - | - | - | - | - |