Year | Value | 2022 | 104,512 | 2021 | 104,091 | 2020 | 104,838 | 2019 | 106,035 | 2018 | 108,735 | 2017 | 112,473 | 2016 | 116,745 | 2015 | 120,639 | 2014 | 123,129 | 2013 | 124,218 | 2012 | 124,192 | 2011 | 122,951 | 2010 | 120,323 | 2009 | 117,192 | 2008 | 114,714 | 2007 | 112,087 | 2006 | 109,991 | 2005 | 108,080 | 2004 | 106,320 | 2003 | 104,325 | 2002 | 101,683 | 2001 | 97,351 | 2000 | 90,635 | 1999 | 82,014 | 1998 | 73,638 | 1997 | 69,346 | 1996 | 73,049 | 1995 | 85,491 | 1994 | 104,228 | 1993 | 123,193 | 1992 | 137,064 | 1991 | 144,599 | 1990 | 145,424 | 1989 | 143,163 | 1988 | 138,965 | 1987 | 133,840 | 1986 | 130,389 | 1985 | 129,493 | 1984 | 131,465 | 1983 | 135,139 | 1982 | 138,669 | 1981 | 140,269 | 1980 | 138,478 | 1979 | 132,206 | 1978 | 122,060 | 1977 | 109,921 | 1976 | 97,072 | 1975 | 85,114 | 1974 | 75,237 | 1973 | 67,499 | 1972 | 61,934 | 1971 | 58,601 | 1970 | 57,725 | 1969 | 59,064 | 1968 | 62,011 | 1967 | 66,246 | 1966 | 71,141 | 1965 | 75,199 | 1964 | 77,713 | 1963 | 78,988 | 1962 | 79,061 | 1961 | 78,449 | 1960 | 77,753 |
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