1961 -999.0 10.6 9.9 10.0 9.9 13.3 9.4 12.6 11.2 12.4 12.8 8.1 1962 7.2 8.4 12.2 9.8 10.9 13.0 9.8 7.5 11.7 8.4 11.6 6.6 1963 7.0 11.2 10.0 8.4 11.9 14.4 11.1 13.9 12.0 8.5 8.6 10.3 1964 8.6 9.7 8.7 10.9 11.7 12.0 12.4 10.8 9.2 11.2 7.7 5.6 1965 7.0 8.8 9.7 12.4 12.9 14.8 10.0 11.7 6.8 10.3 7.4 7.0 1966 7.4 8.2 8.1 10.7 13.8 9.1 12.4 11.2 11.4 11.0 12.3 7.3 1967 7.2 10.1 12.8 11.6 13.2 14.6 10.8 12.2 9.4 10.2 13.0 9.1 1968 5.9 7.0 9.6 9.9 7.4 10.0 8.6 11.3 10.9 10.9 8.4 4.8 1969 7.0 7.6 10.9 11.0 11.5 16.8 10.4 9.0 6.6 9.0 8.7 4.4 1970 5.7 7.4 9.1 8.5 10.2 10.7 10.6 11.2 5.1 10.0 8.6 7.8 1971 7.6 9.9 12.3 9.8 10.3 10.3 11.2 7.9 12.6 10.4 10.3 6.6 1972 4.1 8.1 9.8 12.0 10.6 14.1 6.5 15.0 12.9 10.4 8.9 8.2 1973 7.5 8.4 9.3 13.1 15.7 12.1 13.5 9.1 9.3 7.9 6.1 7.8 1974 3.1 9.2 12.0 9.4 19.7 9.0 11.8 8.2 10.2 10.0 6.5 6.2 1975 4.5 7.6 11.0 11.4 12.6 12.4 8.2 9.8 10.9 9.7 9.6 8.2 1976 6.0 9.0 11.4 9.4 10.2 10.0 8.0 9.8 8.5 6.8 10.5 6.6 1977 5.5 9.2 11.6 7.6 8.6 9.3 13.2 11.8 10.9 7.8 8.2 5.8 1978 5.6 8.4 8.2 9.2 9.3 7.3 13.6 6.1 11.6 8.1 6.7 8.1 1979 5.1 8.2 10.5 12.6 9.9 7.9 9.3 9.4 7.9 9.6 9.9 6.3 1980 7.5 5.9 12.5 9.1 13.3 8.7 12.3 12.4 9.6 11.8 8.8 5.6 1981 6.3 10.9 9.8 12.4 13.1 12.7 15.8 12.6 9.5 9.4 9.7 10.4 1982 9.1 9.6 10.5 13.0 14.6 10.6 11.8 9.9 10.0 9.1 13.4 9.3 1983 6.9 11.1 12.5 15.2 9.9 11.2 7.5 10.7 10.2 11.7 9.2 8.7 1984 7.3 8.9 11.3 10.4 10.4 10.4 9.5 6.1 11.4 10.7 10.5 4.9 1985 6.8 8.3 9.3 12.8 10.3 12.8 12.1 8.2 11.1 11.9 6.7 9.0 1986 7.8 9.5 9.2 10.7 11.4 8.5 9.6 11.0 11.2 11.9 9.6 9.8 1987 6.3 10.0 13.2 10.3 9.7 11.7 8.6 8.5 9.1 9.5 10.1 6.5 1988 8.1 12.7 12.9 11.6 12.7 15.8 10.8 12.5 12.3 9.0 6.7 6.4 1989 8.9 12.9 11.6 12.1 6.6 9.1 10.7 11.3 6.9 9.9 11.7 6.6 1990 5.5 9.8 11.8 10.4 11.3 10.2 15.5 7.0 7.5 11.5 9.2 6.4 1991 7.7 12.3 10.7 9.3 13.2 12.1 12.9 9.8 11.0 7.6 9.7 8.7 1992 7.9 10.0 13.4 11.3 14.3 12.1 10.9 10.3 8.9 9.8 9.0 9.4 1993 7.9 10.2 12.7 10.1 10.7 10.7 8.4 10.9 12.4 12.0 9.6 10.0 1994 6.7 8.1 9.9 12.5 11.3 12.9 13.4 9.1 8.3 10.3 8.2 7.6 1995 6.2 10.5 7.9 12.0 12.4 8.1 11.0 9.0 8.0 11.2 11.0 8.7 1996 5.9 9.3 10.3 12.1 10.7 12.7 17.1 12.7 12.8 12.7 10.7 8.9 1997 6.2 9.0 9.3 15.6 12.7 12.0 8.6 11.1 11.4 9.1 11.8 6.5 1998 9.0 9.7 12.1 7.7 12.1 12.0 10.7 8.6 11.2 10.1 9.0 7.5 1999 10.4 8.7 10.3 10.6 12.7 14.9 9.0 12.5 11.0 8.8 8.8 6.1 2000 7.0 8.4 9.9 12.4 9.6 12.0 9.3 10.6 9.5 10.6 11.1 5.2 2001 6.7 9.1 11.5 12.2 13.5 12.1 12.3 10.5 9.0 9.1 10.1 8.7 2002 7.2 9.8 11.5 13.1 15.9 14.2 15.0 10.5 11.3 11.4 6.0 7.3 2003 6.6 6.8 10.2 13.0 15.1 13.0 9.8 12.4 9.3 9.0 10.5 7.8 2004 7.8 12.4 10.5 10.5 10.7 10.8 8.0 12.0 7.8 10.2 8.6 7.8 2005 7.2 10.9 10.8 10.1 11.6 13.2 12.0 11.6 11.6 7.3 6.9 4.9 2006 5.7 10.2 8.6 10.9 12.6 11.4 6.0 17.6 8.2 7.5 10.2 5.7 2007 5.6 7.7 10.2 9.2 12.4 11.5 14.0 10.1 7.1 10.4 6.4 6.6 2008 7.6 7.7 11.1 11.4 8.7 11.6 11.3 9.6 10.1 6.8 8.3 8.3 2009 8.4 9.5 10.8 10.4 12.0 13.8 11.9 9.2 10.3 9.5 8.0 6.9 2010 10.1 11.3 13.3 11.4 6.9 8.2 8.3 8.2 7.2 8.0 8.1 9.2 2011 9.6 8.9 9.9 14.6 9.3 13.1 10.9 15.4 8.0 8.8 9.8 9.2 2012 8.9 10.2 8.8 9.4 10.1 9.5 10.4 14.3 10.1 10.9 11.8 7.8 2013 5.5 9.2 9.7 9.7 9.6 9.1 11.9 12.6 10.6 9.3 12.3 8.8 2014 6.3 11.3 12.0 13.3 9.5 10.8 8.0 11.2 10.5 9.4 10.5 7.6 2015 5.8 9.8 9.3 10.9 11.9 11.7 11.5 9.4 8.5 10.7 10.4 7.1 2016 7.5 11.5 10.7 11.9 16.3 12.7 10.6 13.4 7.1 13.9 8.4 6.5 2017 6.3 10.5 11.7 11.3 13.3 9.2 11.8 10.8 9.0 8.9 9.8 7.0 2018 6.2 9.4 9.5 12.1 11.4 13.2 10.5 9.0 9.2 9.7 11.3 6.7 2019 7.6 10.2 10.2 10.0 11.3 10.5 10.3 10.3 9.4 12.6 8.1 7.0 2020 6.7 8.7 12.4 12.2 13.2 9.6 9.4 9.8 8.5 10.7 11.1 6.8 2021 8.2 7.7 10.4 10.1 9.4 10.6 10.4 12.4 10.5 8.7 8.2 7.7 2022 9.2 9.7 10.9 11.2 12.6 12.2 8.6 12.6 7.5 11.7 9.9 9.6 2023 7.9 8.4 12.5 8.2 13.6 11.7 8.8 11.1 9.5 8.9 6.1 7.9