Year | Value | 2022 | 1,671 | 2021 | 1,609 | 2020 | 1,548 | 2019 | 1,466 | 2018 | 1,371 | 2017 | 1,282 | 2016 | 1,209 | 2015 | 1,152 | 2014 | 1,115 | 2013 | 1,100 | 2012 | 1,105 | 2011 | 1,130 | 2010 | 1,173 | 2009 | 1,212 | 2008 | 1,243 | 2007 | 1,260 | 2006 | 1,265 | 2005 | 1,265 | 2004 | 1,253 | 2003 | 1,232 | 2002 | 1,206 | 2001 | 1,189 | 2000 | 1,186 | 1999 | 1,187 | 1998 | 1,193 | 1997 | 1,196 | 1996 | 1,192 | 1995 | 1,183 | 1994 | 1,172 | 1993 | 1,154 | 1992 | 1,130 | 1991 | 1,103 | 1990 | 1,073 | 1989 | 1,048 | 1988 | 1,026 | 1987 | 1,006 | 1986 | 988 | 1985 | 974 | 1984 | 965 | 1983 | 960 | 1982 | 959 | 1981 | 944 | 1980 | 914 | 1979 | 893 | 1978 | 880 | 1977 | 869 | 1976 | 857 | 1975 | 844 | 1974 | 827 | 1973 | 806 | 1972 | 785 | 1971 | 765 | 1970 | 749 | 1969 | 734 | 1968 | 717 | 1967 | 707 | 1966 | 701 | 1965 | 694 | 1964 | 682 | 1963 | 663 | 1962 | 639 | 1961 | 610 | 1960 | 583 |
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