Year | Value | 2022 | 101,635 | 2021 | 100,272 | 2020 | 98,788 | 2019 | 96,551 | 2018 | 94,690 | 2017 | 92,974 | 2016 | 91,473 | 2015 | 90,140 | 2014 | 88,763 | 2013 | 86,914 | 2012 | 84,305 | 2011 | 80,424 | 2010 | 73,832 | 2009 | 64,939 | 2008 | 56,038 | 2007 | 49,683 | 2006 | 49,618 | 2005 | 56,555 | 2004 | 68,421 | 2003 | 82,314 | 2002 | 95,008 | 2001 | 102,742 | 2000 | 104,823 | 1999 | 103,413 | 1998 | 100,706 | 1997 | 98,413 | 1996 | 97,925 | 1995 | 100,410 | 1994 | 106,469 | 1993 | 112,577 | 1992 | 116,259 | 1991 | 118,212 | 1990 | 117,215 | 1989 | 113,134 | 1988 | 104,645 | 1987 | 92,985 | 1986 | 81,611 | 1985 | 71,545 | 1984 | 63,321 | 1983 | 57,118 | 1982 | 52,780 | 1981 | 50,329 | 1980 | 49,595 | 1979 | 50,056 | 1978 | 51,618 | 1977 | 54,016 | 1976 | 56,371 | 1975 | 58,253 | 1974 | 59,422 | 1973 | 59,793 | 1972 | 59,676 | 1971 | 59,140 | 1970 | 58,702 | 1969 | 58,675 | 1968 | 58,744 | 1967 | 58,910 | 1966 | 58,943 | 1965 | 58,209 | 1964 | 56,735 | 1963 | 54,919 | 1962 | 52,869 | 1961 | 50,953 | 1960 | 49,567 |
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