Year | Value | 2022 | 337,722 | 2021 | 309,450 | 2020 | 283,283 | 2019 | 260,826 | 2018 | 242,903 | 2017 | 229,228 | 2016 | 218,800 | 2015 | 210,450 | 2014 | 203,115 | 2013 | 196,220 | 2012 | 189,685 | 2011 | 183,766 | 2010 | 178,982 | 2009 | 175,737 | 2008 | 173,985 | 2007 | 173,377 | 2006 | 173,453 | 2005 | 173,363 | 2004 | 172,314 | 2003 | 170,077 | 2002 | 165,452 | 2001 | 157,941 | 2000 | 149,533 | 1999 | 141,976 | 1998 | 135,830 | 1997 | 129,569 | 1996 | 113,342 | 1995 | 96,067 | 1994 | 127,649 | 1993 | 159,167 | 1992 | 151,006 | 1991 | 143,865 | 1990 | 135,982 | 1989 | 127,396 | 1988 | 119,817 | 1987 | 112,568 | 1986 | 104,994 | 1985 | 98,776 | 1984 | 94,451 | 1983 | 91,686 | 1982 | 89,618 | 1981 | 88,152 | 1980 | 87,670 | 1979 | 88,159 | 1978 | 89,470 | 1977 | 91,071 | 1976 | 92,376 | 1975 | 93,170 | 1974 | 93,384 | 1973 | 92,989 | 1972 | 91,897 | 1971 | 90,393 | 1970 | 88,389 | 1969 | 85,508 | 1968 | 81,744 | 1967 | 77,319 | 1966 | 72,410 | 1965 | 67,422 | 1964 | 62,749 | 1963 | 58,419 | 1962 | 54,432 | 1961 | 50,893 | 1960 | 47,983 |
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