| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1956 | - | 987.7(100) | 984.0(100) | 984.9(100) | 988.8(100) | 984.9(100) | 982.7(100) | 982.2(100) | 977.5(100) | 975.9(100) | 982.8(100) | 989.7(100) |
1957 | 986.8(100) | 983.5(100) | 981.7(100) | 981.0(100) | 990.9(100) | 994.9(100) | 982.1(100) | 982.3(100) | 974.9(100) | 981.3(100) | 985.6(100) | 991.5(100) |
1958 | 988.0(100) | 987.6(100) | 983.8(100) | 981.6(100) | 987.8(100) | 993.8(100) | 987.2(100) | 977.7(100) | 979.3(100) | 982.1(100) | 980.2(100) | 979.6(100) |
1959 | 986.8(100) | 982.7(100) | 986.7(100) | 985.8(100) | 984.5(100) | 987.1(100) | 984.5(100) | 985.8(100) | 980.0(100) | 979.2(100) | 973.9(100) | 989.0(100) |
1960 | 985.7( 99) | - | - | - | - | - | - | 985.0( 87) | 974.2(100) | 985.8( 98) | 983.8(100) | 983.9(100) |
1961 | 987.0(100) | 993.4(100) | 986.7(100) | 988.2(100) | 986.5(100) | 991.5(100) | 981.7(100) | 984.1(100) | 989.1(100) | 984.6(100) | 986.0(100) | 985.0(100) |
1962 | 985.1(100) | 984.8(100) | 984.5(100) | 984.0(100) | 989.9(100) | 996.7(100) | 980.1(100) | 972.3(100) | 977.9(100) | 975.0(100) | 985.2(100) | 980.7(100) |
1963 | 978.2(100) | 979.7(100) | 984.9(100) | 986.3(100) | 994.7(100) | 985.4(100) | 988.0(100) | 1002.4(100) | 984.2(100) | 982.2(100) | 980.6(100) | 993.4(100) |
1964 | 996.7(100) | 990.2(100) | 987.6(100) | 985.2(100) | 980.6(100) | 1005.9(100) | 1006.0(100) | 988.5(100) | 979.6(100) | 974.9(100) | 984.3(100) | 984.8(100) |
1965 | 987.5(100) | 992.4(100) | 979.1(100) | 985.1(100) | 990.2(100) | 984.9(100) | 980.7(100) | 982.8(100) | 980.7(100) | 977.6(100) | 976.3(100) | 989.7(100) |
1966 | 983.8(100) | 987.2(100) | 985.8(100) | 981.0(100) | 989.2(100) | 984.4(100) | 985.3(100) | 971.3(100) | 980.5(100) | 973.5(100) | 981.3(100) | 986.8(100) |
1967 | 989.6(100) | 989.8(100) | 983.8(100) | 986.5(100) | 985.5(100) | 983.6(100) | 978.8(100) | 977.7(100) | 973.7(100) | 974.1(100) | 985.3(100) | 983.9(100) |
1968 | 985.7(100) | 984.3(100) | 987.7(100) | 985.6(100) | 990.7(100) | 982.0(100) | 976.4(100) | 981.7(100) | 978.5(100) | 981.2(100) | 985.6(100) | 983.9(100) |
1969 | 991.9(100) | 987.2(100) | 985.6(100) | 986.0(100) | 985.9(100) | 992.9(100) | 975.9(100) | 977.8(100) | 977.5(100) | 983.3(100) | 983.0(100) | 984.0(100) |
1970 | 983.2(100) | 980.4(100) | 981.9(100) | 986.0(100) | 981.0(100) | 985.8(100) | 980.9(100) | 977.9(100) | 986.8(100) | 980.7(100) | 978.1(100) | 987.4(100) |
1971 | 987.5(100) | 985.4(100) | 976.5(100) | 983.9(100) | 988.0(100) | 976.3(100) | 984.0(100) | 982.3(100) | 985.6(100) | 978.5(100) | 981.7(100) | 988.4(100) |
1972 | 984.2(100) | 983.3(100) | 986.9(100) | 986.7(100) | 984.7(100) | 984.6(100) | 983.0(100) | 985.8(100) | 983.7(100) | 978.8(100) | 978.5(100) | 986.0(100) |
1973 | 988.0(100) | 981.3(100) | 975.0(100) | 980.8(100) | 989.1(100) | 985.3(100) | 977.7(100) | 974.5(100) | 979.6(100) | 981.4(100) | 981.4(100) | 979.5(100) |
1974 | 981.9(100) | 980.5(100) | 977.0(100) | 986.7(100) | 983.7(100) | 985.6(100) | 984.5(100) | 989.3(100) | 971.8(100) | 978.6(100) | 985.6(100) | 988.3(100) |
1975 | 986.1(100) | 985.3(100) | 982.4(100) | 978.0(100) | 987.4(100) | 981.9(100) | 983.9(100) | 976.4(100) | 976.9(100) | 975.1(100) | 975.2(100) | 983.5(100) |
1976 | 986.0(100) | 980.1(100) | 980.3(100) | 980.8(100) | 974.8(100) | 977.4(100) | 977.2(100) | 975.1(100) | 969.9(100) | 971.9(100) | 981.9(100) | 992.3(100) |
1977 | 984.9(100) | 980.5( 99) | 979.0(100) | 982.5(100) | 983.6(100) | 987.4(100) | 981.4(100) | 979.2(100) | 968.2(100) | 971.7(100) | 977.5(100) | 981.5(100) |
1978 | 979.3(100) | 980.7(100) | 983.5(100) | 982.5(100) | 983.4(100) | 980.8(100) | 986.0(100) | 967.6(100) | 974.5(100) | 975.4(100) | 980.8(100) | 981.6(100) |
1979 | 982.7(100) | 980.9(100) | 975.1(100) | 977.6(100) | 974.4(100) | 974.6(100) | 969.5(100) | 975.9(100) | 976.2(100) | 973.7(100) | 984.7(100) | 985.5(100) |
1980 | 984.5(100) | 985.4(100) | 980.5(100) | 985.6(100) | 977.9(100) | 974.9(100) | 979.1(100) | 982.0(100) | 978.3(100) | 977.7(100) | 980.1(100) | 982.6(100) |
1981 | 983.0(100) | 980.1(100) | 982.1(100) | 987.1(100) | 983.6(100) | 979.2(100) | 979.0(100) | 982.2(100) | 974.9(100) | 970.6(100) | 977.8(100) | 977.6(100) |
1982 | 983.5(100) | 981.3( 99) | 976.2(100) | 975.5(100) | 974.7(100) | 975.8(100) | 978.9(100) | 976.2(100) | 972.2(100) | 977.9(100) | 985.7(100) | 988.1(100) |
1983 | 985.1(100) | 984.3(100) | 980.9(100) | 979.0(100) | 980.5(100) | 980.8(100) | 978.3(100) | 977.9(100) | 972.2(100) | 974.1(100) | 974.9(100) | 977.6(100) |
1984 | 984.4(100) | 979.6(100) | 975.6(100) | 980.1(100) | 980.0(100) | 980.1(100) | 974.0(100) | 978.4(100) | 972.2(100) | 970.2(100) | 979.9(100) | 990.0(100) |
1985 | 986.7(100) | 980.3(100) | 975.3(100) | 979.7(100) | 986.2(100) | 985.0(100) | 966.3(100) | 971.3(100) | 973.2(100) | 974.4(100) | 970.0(100) | 979.8(100) |
1986 | 982.6(100) | 986.1(100) | 985.2(100) | 977.2(100) | 987.3(100) | 984.0(100) | 974.9(100) | 973.3(100) | 965.7(100) | 968.0(100) | 974.8(100) | 977.1(100) |
1987 | 986.8(100) | 981.4(100) | 979.1(100) | 980.9(100) | 979.7(100) | 976.8(100) | 980.3(100) | 969.5(100) | 975.0(100) | 970.5(100) | 974.9(100) | 980.1(100) |
1988 | 982.9(100) | 978.0(100) | 980.0(100) | 976.7(100) | 982.8(100) | 989.9(100) | 973.3(100) | 974.4(100) | 982.2(100) | 983.5(100) | 977.2(100) | 977.8(100) |
1989 | 984.2(100) | 977.6(100) | 979.1(100) | 982.9(100) | 968.3(100) | 976.2(100) | 970.6(100) | 980.2(100) | 972.6(100) | 971.7(100) | 982.3(100) | 982.4(100) |
1990 | 982.9(100) | 978.2(100) | 981.1(100) | 986.0(100) | 988.6(100) | 986.5(100) | 983.7(100) | 974.1(100) | 968.7( 99) | - | 979.7(100) | 981.3( 99) |
1991 | 977.9(100) | 983.6(100) | 976.2(100) | 976.3(100) | 978.8(100) | 980.5(100) | 984.3(100) | 972.9(100) | 978.8(100) | 970.1(100) | 977.9(100) | 985.3( 99) |
1992 | 981.8(100) | 985.4(100) | 981.0(100) | 977.5(100) | 987.1(100) | 986.4(100) | 978.3(100) | 974.0(100) | 970.1(100) | 978.2(100) | 974.6(100) | 979.5(100) |
1993 | 985.3(100) | 974.0(100) | 978.2(100) | 977.6(100) | 972.9(100) | 976.8(100) | 969.4(100) | 966.5(100) | 971.8(100) | 970.7(100) | 975.1(100) | 978.3(100) |
1994 | 981.8(100) | 975.1(100) | 973.1(100) | 982.2(100) | 983.6(100) | 988.0(100) | 977.9(100) | 973.5(100) | 975.3(100) | 971.6(100) | 983.6(100) | 975.6(100) |
1995 | 978.8(100) | 979.8(100) | 979.1(100) | 981.0(100) | 977.4(100) | 982.0(100) | 991.3(100) | 975.1(100) | 964.6(100) | 975.6(100) | 977.7(100) | 976.0(100) |
1996 | 982.0(100) | 983.7(100) | 974.8(100) | 976.9(100) | 978.6(100) | 982.0(100) | 977.9(100) | 975.9(100) | 985.0(100) | 973.9(100) | 982.9(100) | 982.2(100) |
1997 | 980.4(100) | 979.0(100) | 971.8(100) | 979.6(100) | 976.1(100) | 980.1(100) | 971.3(100) | 974.4(100) | 972.8(100) | 975.8(100) | 983.8(100) | 983.2(100) |
1998 | 977.4(100) | 976.7(100) | 975.9(100) | 968.4(100) | 972.2(100) | 975.3(100) | 979.6(100) | 971.6(100) | 977.4(100) | 976.4(100) | 972.2(100) | 971.7(100) |
1999 | 979.9(100) | 981.5(100) | 981.1(100) | 975.0(100) | 976.6(100) | 986.9(100) | 979.8(100) | 976.8(100) | 978.7(100) | 968.9(100) | 977.9(100) | 973.7(100) |
2000 | 976.3(100) | 977.5(100) | 980.7(100) | 983.3(100) | 976.3(100) | 982.5(100) | 979.5(100) | 977.2(100) | 979.2(100) | 973.1(100) | 980.8(100) | 987.8(100) |
2001 | 980.9(100) | 989.8(100) | 977.8(100) | 974.2(100) | 981.7(100) | 978.2(100) | 977.7(100) | 975.1(100) | 970.9(100) | 975.2(100) | 978.3(100) | 982.0(100) |
2002 | 977.5(100) | 974.1(100) | 986.5(100) | 977.3(100) | 989.0(100) | 981.9(100) | 980.7(100) | 971.5(100) | 978.8(100) | 987.4(100) | 978.2(100) | 976.9(100) |
2003 | 987.1(100) | 984.0(100) | 980.7(100) | 975.8(100) | 982.2(100) | 993.9(100) | 978.8(100) | 971.8(100) | 977.0(100) | 977.7(100) | 979.1(100) | 987.1(100) |
2004 | 980.2(100) | 984.0(100) | 974.1(100) | 976.3(100) | 982.6(100) | 975.9(100) | 974.1(100) | 975.5(100) | 971.2(100) | 977.3(100) | 982.8(100) | 982.8(100) |
2005 | 981.9(100) | 977.0(100) | 983.8(100) | 975.3(100) | 982.8(100) | 985.1(100) | 979.7(100) | 974.2(100) | 972.6(100) | 975.6(100) | 977.6(100) | 990.8(100) |
2006 | 982.6(100) | 981.4(100) | 978.0(100) | 979.9(100) | 975.2(100) | 976.1(100) | 971.3(100) | 986.0(100) | 981.1(100) | 974.9( 99) | - | - |
2007 | - | - | - | - | - | - | - | - | - | - | - | - |
2008 | - | - | - | - | - | - | - | - | - | - | - | - |
2009 | - | - | - | - | - | - | - | - | - | - | - | - |
2010 | - | - | - | - | - | - | - | - | - | - | - | - |
2011 | - | - | - | - | - | - | - | - | - | - | - | - |
2012 | - | - | - | - | - | - | - | - | - | - | - | - |
2013 | - | - | - | - | - | - | - | - | - | - | - | - |
2014 | - | - | - | - | - | - | - | - | - | - | - | - |
2015 | - | 973.6(100) | 976.6( 99) | 976.8(100) | 980.1(100) | 979.6(100) | 976.0(100) | 973.8(100) | 975.9(100) | 980.1(100) | 975.1(100) | 981.5(100) |
2016 | 978.2(100) | 979.5( 99) | 971.5( 99) | 978.4(100) | 977.2(100) | 976.0( 98) | 978.8(100) | 980.3( 99) | 970.2(100) | 976.5(100) | 981.7(100) | 985.0(100) |
2017 | 986.7( 94) | 983.1( 98) | 980.9( 98) | 976.0( 98) | 978.5(100) | 982.6( 98) | 983.2(100) | 975.5( 97) | 974.3(100) | 979.1(100) | 977.9( 96) | 980.7( 98) |
2018 | 979.3( 97) | 977.6( 99) | 982.8(100) | 983.5(100) | 981.1(100) | 986.5(100) | 976.9( 96) | 985.9(100) | 971.3(100) | 969.9(100) | 975.9(100) | 979.9( 99) |
2019 | 978.9( 96) | 984.0( 99) | 980.8( 99) | 983.0(100) | 985.4( 99) | 979.2(100) | 980.0( 99) | 978.4( 98) | 975.0(100) | 982.2( 99) | 989.9(100) | 990.8( 99) |
2020 | 985.6(100) | 981.9( 99) | 976.3( 98) | 979.8( 94) | 981.3( 98) | 981.3( 89) | 979.4( 98) | 988.6( 97) | 978.9( 99) | 976.6( 97) | 981.1( 99) | 976.4(100) |
2021 | 978.3( 98) | 976.1( 99) | 980.6(100) | 978.4(100) | 982.5( 95) | 980.2( 98) | 986.6(100) | 973.6( 99) | 972.0( 99) | 977.5(100) | 976.4(100) | 977.5( 99) |
2022 | 980.6( 96) | 978.1( 92) | 977.8( 97) | 979.9( 97) | 983.5( 97) | 988.3( 96) | 977.3(100) | 983.4(100) | 973.3( 98) | 977.2(100) | 970.4( 99) | 974.7( 99) |
2023 | 974.6( 99) | 979.1( 98) | 979.6( 97) | 984.7( 99) | 978.5( 99) | 987.6(100) | 980.5( 99) | 973.7(100) | 978.0( 99) | 978.3(100) | 980.5( 95) | 975.9( 94) |
2024 | 980.3( 95) | 977.1( 99) | 975.8( 96) | - | - | - | - | - | - | - | - | - |