Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1980 | - | - | - | 981.0(100) | 986.5(100) | 980.7(100) | 990.9(100) | 982.2(100) | 987.9(100) | 967.3(100) | 991.4(100) | 989.4(100) |
1981 | 987.5(100) | 990.2(100) | 983.1(100) | 991.6(100) | 982.0(100) | 973.4(100) | 978.7(100) | 988.3(100) | 987.0(100) | 978.0(100) | 973.1(100) | 977.4(100) |
1982 | 992.3(100) | 984.8(100) | 977.2(100) | 976.1(100) | 981.0(100) | 977.1(100) | 983.9(100) | 976.1(100) | 969.7(100) | 976.8(100) | 983.2(100) | 997.3(100) |
1983 | 992.9(100) | 989.9(100) | 981.1(100) | 971.7(100) | 979.8(100) | 985.1(100) | 973.4(100) | 969.5(100) | 979.0(100) | 964.7(100) | 972.9(100) | 981.0(100) |
1984 | 993.5(100) | 988.7(100) | 976.7(100) | 980.6(100) | 983.7(100) | 980.8(100) | 971.8(100) | 976.9(100) | 975.2(100) | 983.4(100) | 976.5(100) | 990.5(100) |
1985 | 989.7(100) | 986.6(100) | 978.9(100) | 978.8(100) | 984.4(100) | 981.1(100) | 972.6(100) | 973.4(100) | 970.0(100) | 972.2(100) | 971.6(100) | 977.4(100) |
1986 | 985.4(100) | 987.7(100) | 986.3(100) | 978.1(100) | 997.0(100) | 994.2(100) | 979.5(100) | 980.1(100) | 976.0(100) | 968.5(100) | 979.5(100) | 981.2(100) |
1987 | 990.5(100) | 987.9(100) | 980.2(100) | 981.6(100) | 978.6(100) | 985.1(100) | 990.0(100) | 976.6(100) | 986.7(100) | 971.9(100) | 975.8(100) | 984.1(100) |
1988 | 988.7(100) | 983.3(100) | 983.2(100) | 971.9(100) | 984.5(100) | 988.3(100) | 976.8(100) | 980.4(100) | 978.3(100) | 983.6(100) | 978.1(100) | 985.1(100) |
1989 | 983.9(100) | 981.8(100) | 977.8(100) | 986.4(100) | 965.4(100) | 973.2(100) | 971.8(100) | 977.9(100) | 975.2(100) | 972.1(100) | 973.8(100) | 988.9(100) |
1990 | 989.2(100) | 976.6(100) | 981.3( 45) | - | - | - | - | - | - | - | - | - |
1991 | - | - | - | - | - | - | - | - | - | - | - | - |
1992 | - | - | - | - | - | - | - | - | - | - | - | - |
1993 | - | - | - | - | - | - | - | - | - | - | - | - |
1994 | - | - | - | - | - | - | - | - | - | - | - | - |
1995 | - | - | - | - | - | - | - | - | - | - | - | - |
1996 | - | - | - | - | - | - | - | - | - | - | - | - |
1997 | - | - | - | - | - | - | - | - | - | - | - | - |
1998 | - | - | - | - | - | - | - | - | - | - | - | - |
1999 | - | - | - | - | - | - | - | - | - | - | - | - |
2000 | - | - | - | - | - | - | - | - | - | - | - | - |
2001 | - | - | - | - | - | - | - | - | - | - | - | - |
2002 | - | - | - | - | - | - | - | - | - | - | - | - |
2003 | - | - | - | - | - | - | - | - | - | - | - | - |
2004 | - | - | - | - | - | - | - | - | - | - | - | - |
2005 | - | - | - | - | - | - | - | - | - | - | - | - |
2006 | - | - | - | - | - | - | - | - | - | - | - | - |
2007 | - | - | - | - | - | - | - | - | - | - | - | - |
2008 | - | - | - | - | - | - | - | - | - | - | - | - |
2009 | - | - | - | - | - | - | - | - | - | - | - | - |