Year | Value | 2022 | 314,934 | 2021 | 323,750 | 2020 | 341,613 | 2019 | 363,108 | 2018 | 390,793 | 2017 | 422,530 | 2016 | 450,817 | 2015 | 473,944 | 2014 | 491,668 | 2013 | 501,159 | 2012 | 503,463 | 2011 | 505,839 | 2010 | 511,847 | 2009 | 520,423 | 2008 | 529,883 | 2007 | 533,234 | 2006 | 524,316 | 2005 | 503,755 | 2004 | 473,866 | 2003 | 437,163 | 2002 | 401,836 | 2001 | 374,788 | 2000 | 356,636 | 1999 | 346,162 | 1998 | 342,262 | 1997 | 342,448 | 1996 | 343,926 | 1995 | 345,044 | 1994 | 344,721 | 1993 | 342,488 | 1992 | 338,558 | 1991 | 333,407 | 1990 | 327,504 | 1989 | 321,513 | 1988 | 315,863 | 1987 | 310,693 | 1986 | 306,059 | 1985 | 301,379 | 1984 | 295,997 | 1983 | 289,531 | 1982 | 281,698 | 1981 | 272,477 | 1980 | 263,994 | 1979 | 257,402 | 1978 | 251,716 | 1977 | 246,970 | 1976 | 243,334 | 1975 | 240,522 | 1974 | 237,937 | 1973 | 235,457 | 1972 | 233,032 | 1971 | 230,215 | 1970 | 226,499 | 1969 | 222,280 | 1968 | 218,082 | 1967 | 213,932 | 1966 | 210,240 | 1965 | 207,239 | 1964 | 204,811 | 1963 | 202,896 | 1962 | 201,466 | 1961 | 200,278 | 1960 | 199,132 |
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