1956 -999.0 987.7 984.0 984.9 988.8 984.9 982.7 982.2 977.5 975.9 982.8 989.7 1957 986.8 983.5 981.7 981.0 990.9 994.9 982.1 982.3 974.9 981.3 985.6 991.5 1958 988.0 987.6 983.8 981.6 987.8 993.8 987.2 977.7 979.3 982.1 980.2 979.6 1959 986.8 982.7 986.7 985.8 984.5 987.1 984.5 985.8 979.7 979.2 973.9 989.0 1960 985.7 -999.0 -999.0 -999.0 -999.0 991.3 -999.0 -999.0 974.2 985.8 983.8 983.9 1961 987.0 993.4 986.7 988.2 986.5 991.5 981.7 984.1 989.1 984.6 986.0 985.0 1962 985.1 984.8 984.5 984.0 989.9 996.7 980.1 972.3 977.9 975.0 985.2 980.7 1963 978.2 979.7 984.9 986.3 994.7 985.4 988.0 -999.0 984.2 982.2 980.6 993.4 1964 996.7 990.2 987.6 985.2 980.6 1000.5 1000.5 988.5 979.6 974.9 984.3 984.8 1965 987.5 992.4 979.1 985.1 990.2 984.9 980.7 982.8 980.7 977.6 976.3 989.7 1966 983.8 987.2 985.8 981.0 989.2 984.4 985.3 971.3 980.5 973.5 981.3 986.8 1967 989.6 989.8 983.8 986.5 985.5 983.6 978.8 977.7 973.7 974.1 985.3 983.9 1968 985.7 984.3 987.7 985.6 990.7 982.0 976.4 981.7 978.5 981.2 985.6 983.9 1969 991.9 987.2 985.6 986.0 985.9 992.9 975.9 977.8 977.5 983.3 983.0 984.0 1970 983.2 980.4 981.9 986.0 981.0 985.8 980.9 977.9 986.8 980.7 978.1 987.4 1971 987.5 985.4 976.5 983.9 988.0 976.3 984.0 982.3 985.6 978.5 981.7 988.4 1972 984.2 983.3 986.9 986.7 984.7 984.6 983.0 985.8 983.7 978.8 978.5 986.0 1973 988.0 981.3 975.0 980.8 989.1 985.3 977.7 974.5 979.6 981.4 981.4 979.5 1974 981.9 980.5 977.0 986.7 983.7 985.6 984.5 989.3 971.8 978.6 985.6 988.3 1975 986.1 985.3 982.4 978.0 987.4 981.9 983.9 976.4 976.9 975.1 975.2 983.5 1976 986.0 980.1 980.3 980.8 974.8 977.4 977.2 975.1 969.9 971.9 981.9 992.3 1977 984.9 980.5 979.0 982.5 983.6 987.4 981.4 979.2 968.2 971.7 977.5 981.5 1978 979.3 980.7 983.5 982.5 983.4 980.8 986.0 967.6 974.5 975.4 980.8 981.6 1979 982.7 980.9 975.1 977.6 974.4 974.6 969.5 975.9 976.2 973.7 984.7 985.5 1980 984.5 985.4 980.5 985.6 977.9 974.9 979.1 982.0 978.3 977.7 980.1 982.6 1981 983.0 980.1 982.1 987.1 983.6 979.2 979.0 982.2 974.9 970.6 977.8 977.6 1982 983.5 981.3 976.2 975.5 974.7 975.8 978.9 976.2 972.2 977.9 985.7 988.1 1983 985.1 984.3 980.9 979.0 980.5 980.8 978.3 977.9 972.2 974.1 974.9 977.6 1984 984.4 979.6 975.6 980.1 980.0 980.1 974.0 978.4 972.2 970.2 979.9 990.0 1985 986.7 980.3 975.3 979.7 986.2 985.0 966.3 971.3 973.2 974.4 970.0 979.8 1986 982.6 986.1 985.2 977.2 987.3 984.0 974.9 973.3 965.7 968.0 974.8 977.1 1987 986.8 981.4 979.1 980.9 979.7 976.8 980.3 969.5 975.0 970.5 974.9 980.1 1988 982.9 978.0 980.0 976.7 982.8 989.9 973.3 974.4 982.2 983.5 977.2 977.8 1989 984.2 977.6 979.1 982.9 968.3 976.2 970.6 980.2 972.6 971.7 982.3 982.4 1990 982.9 978.2 981.1 986.0 988.6 986.5 983.7 974.1 968.7 -999.0 979.7 981.3 1991 977.9 983.6 976.2 976.3 978.8 980.5 984.3 972.9 978.8 970.1 977.9 985.2 1992 981.8 985.4 981.0 977.5 987.1 986.4 978.3 974.0 970.1 978.2 974.6 979.5 1993 985.3 974.0 978.2 977.6 972.9 976.8 969.4 966.5 971.8 970.7 975.1 978.3 1994 981.8 975.1 973.1 982.2 983.6 988.0 977.9 973.5 975.3 971.6 983.6 975.6 1995 978.8 979.8 979.1 981.0 977.4 982.0 991.3 975.1 964.6 975.6 977.7 976.0 1996 982.0 983.7 974.8 976.9 978.6 982.0 977.9 975.9 985.0 973.9 982.9 982.2 1997 980.4 979.0 971.8 979.6 976.1 980.1 971.3 974.4 972.8 975.8 983.8 983.2 1998 977.4 976.7 975.9 968.4 972.2 975.3 979.6 971.6 977.4 976.4 972.2 971.7 1999 979.9 981.5 981.1 975.0 976.6 986.9 979.8 976.8 978.7 968.9 977.9 973.7 2000 976.3 977.5 980.7 983.3 976.3 982.5 979.5 977.2 979.2 973.1 980.8 987.8 2001 980.9 989.8 977.8 974.2 981.7 978.2 992.0 975.1 970.9 975.6 978.3 982.1 2002 977.5 974.1 986.6 977.1 989.0 981.9 980.8 971.5 978.6 987.3 978.2 976.9 2003 987.1 984.0 980.8 975.7 982.1 993.9 978.7 972.0 976.9 977.7 979.2 987.1 2004 977.9 983.9 974.2 976.4 982.6 975.7 974.2 975.4 971.1 977.5 982.6 982.8 2005 981.9 977.0 983.8 975.3 982.8 985.1 979.8 974.2 972.7 975.5 977.6 990.8 2006 982.6 981.4 978.2 979.8 975.2 976.3 971.2 986.1 981.0 974.9 978.8 978.4 2007 983.3 977.4 980.7 981.6 982.5 987.6 989.8 978.8 980.1 978.6 979.2 977.7 2008 979.3 977.7 981.2 981.8 983.3 978.2 979.9 973.0 974.0 971.2 978.8 980.0 2009 979.5 980.7 978.7 981.7 981.1 984.5 980.2 981.6 980.1 975.7 982.0 980.8 2010 986.0 986.4 981.4 982.6 978.8 972.2 970.8 972.4 977.4 976.0 977.0 986.6 2011 987.2 980.5 982.5 982.4 979.9 987.2 992.0 979.4 981.2 975.6 989.6 973.9 2012 975.5 982.5 977.0 978.2 979.1 983.7 974.6 975.3 974.4 975.3 984.5 986.1 2013 983.8 976.6 974.9 980.7 977.6 987.5 984.8 986.5 982.0 981.3 984.2 983.4 2014 982.7 979.5 981.4 980.2 987.1 983.1 976.1 976.6 980.5 974.8 980.8 976.7 2015 980.4 973.5 976.8 976.7 980.1 979.4 976.1 973.9 975.7 980.2 975.1 981.5 2016 978.3 979.5 971.5 978.5 977.1 975.9 978.7 980.5 970.0 976.6 981.6 985.1 2017 984.5 982.9 980.8 976.0 978.5 983.0 983.4 975.4 974.2 979.0 977.8 980.5 2018 979.0 977.5 982.8 983.6 981.1 986.5 976.4 986.2 971.4 969.8 975.8 979.9 2019 978.9 983.9 981.0 983.1 985.3 979.2 980.1 978.2 975.1 982.2 989.9 991.0 2020 985.5 982.1 976.2 979.8 981.6 -999.0 979.5 988.7 979.2 976.7 981.0 976.6 2021 978.4 976.0 980.7 978.3 982.4 980.1 986.5 973.5 972.4 977.6 976.5 977.4 2022 980.6 978.3 977.4 980.1 983.6 988.3 976.9 983.7 973.2 977.5 970.4 974.6 2023 974.6 979.0 979.8 984.7 978.5 987.5 980.4 973.8 978.0 978.5 980.1 975.8