Year | Value | 2022 | 331,830 | 2021 | 319,423 | 2020 | 304,784 | 2019 | 288,812 | 2018 | 279,681 | 2017 | 279,400 | 2016 | 280,034 | 2015 | 280,812 | 2014 | 281,543 | 2013 | 281,243 | 2012 | 280,662 | 2011 | 278,736 | 2010 | 275,425 | 2009 | 272,279 | 2008 | 268,985 | 2007 | 264,980 | 2006 | 259,488 | 2005 | 251,844 | 2004 | 242,757 | 2003 | 232,838 | 2002 | 222,383 | 2001 | 211,272 | 2000 | 201,132 | 1999 | 195,886 | 1998 | 198,528 | 1997 | 205,906 | 1996 | 213,604 | 1995 | 218,911 | 1994 | 218,105 | 1993 | 213,171 | 1992 | 207,644 | 1991 | 202,397 | 1990 | 197,099 | 1989 | 190,938 | 1988 | 185,040 | 1987 | 179,353 | 1986 | 173,444 | 1985 | 168,533 | 1984 | 163,767 | 1983 | 158,931 | 1982 | 154,124 | 1981 | 148,824 | 1980 | 144,042 | 1979 | 139,175 | 1978 | 134,747 | 1977 | 130,607 | 1976 | 126,665 | 1975 | 123,366 | 1974 | 119,750 | 1973 | 115,809 | 1972 | 112,325 | 1971 | 109,597 | 1970 | 107,675 | 1969 | 105,512 | 1968 | 102,740 | 1967 | 99,989 | 1966 | 96,864 | 1965 | 93,868 | 1964 | 90,660 | 1963 | 87,465 | 1962 | 84,790 | 1961 | 81,757 | 1960 | 78,569 |
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