Year | Value | 2022 | 474,987 | 2021 | 469,913 | 2020 | 469,561 | 2019 | 463,549 | 2018 | 451,198 | 2017 | 436,388 | 2016 | 419,629 | 2015 | 403,396 | 2014 | 388,896 | 2013 | 374,278 | 2012 | 360,530 | 2011 | 351,622 | 2010 | 343,526 | 2009 | 332,534 | 2008 | 322,337 | 2007 | 312,161 | 2006 | 303,082 | 2005 | 295,268 | 2004 | 287,248 | 2003 | 279,199 | 2002 | 271,291 | 2001 | 263,368 | 2000 | 255,103 | 1999 | 247,167 | 1998 | 239,444 | 1997 | 231,800 | 1996 | 225,892 | 1995 | 219,910 | 1994 | 214,234 | 1993 | 205,758 | 1992 | 200,018 | 1991 | 207,584 | 1990 | 215,577 | 1989 | 218,460 | 1988 | 224,086 | 1987 | 225,904 | 1986 | 220,206 | 1985 | 213,235 | 1984 | 204,843 | 1983 | 195,290 | 1982 | 185,923 | 1981 | 180,924 | 1980 | 174,578 | 1979 | 156,828 | 1978 | 136,937 | 1977 | 126,435 | 1976 | 122,457 | 1975 | 119,457 | 1974 | 117,250 | 1973 | 115,880 | 1972 | 114,969 | 1971 | 113,782 | 1970 | 111,807 | 1969 | 109,033 | 1968 | 105,342 | 1967 | 101,001 | 1966 | 97,049 | 1965 | 94,008 | 1964 | 91,690 | 1963 | 90,008 | 1962 | 88,879 | 1961 | 87,833 | 1960 | 86,661 |
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