Year | Value | 2022 | 514,577 | 2021 | 508,394 | 2020 | 500,768 | 2019 | 492,238 | 2018 | 483,624 | 2017 | 475,153 | 2016 | 466,297 | 2015 | 456,860 | 2014 | 446,924 | 2013 | 436,719 | 2012 | 426,850 | 2011 | 417,694 | 2010 | 409,125 | 2009 | 400,978 | 2008 | 393,357 | 2007 | 385,980 | 2006 | 378,488 | 2005 | 370,872 | 2004 | 362,943 | 2003 | 354,325 | 2002 | 344,994 | 2001 | 335,173 | 2000 | 324,829 | 1999 | 313,824 | 1998 | 302,714 | 1997 | 291,798 | 1996 | 280,765 | 1995 | 269,787 | 1994 | 259,347 | 1993 | 249,486 | 1992 | 239,923 | 1991 | 230,923 | 1990 | 222,844 | 1989 | 215,556 | 1988 | 208,836 | 1987 | 202,919 | 1986 | 197,626 | 1985 | 192,447 | 1984 | 187,403 | 1983 | 182,557 | 1982 | 177,830 | 1981 | 173,145 | 1980 | 168,455 | 1979 | 163,752 | 1978 | 159,029 | 1977 | 154,298 | 1976 | 149,575 | 1975 | 144,907 | 1974 | 139,899 | 1973 | 134,329 | 1972 | 128,294 | 1971 | 121,752 | 1970 | 114,976 | 1969 | 108,557 | 1968 | 102,806 | 1967 | 97,794 | 1966 | 93,709 | 1965 | 90,404 | 1964 | 87,730 | 1963 | 85,703 | 1962 | 84,185 | 1961 | 82,932 | 1960 | 81,749 |
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