Year | Value | 2022 | 514,156 | 2021 | 493,511 | 2020 | 481,073 | 2019 | 462,964 | 2018 | 446,795 | 2017 | 446,255 | 2016 | 451,843 | 2015 | 464,108 | 2014 | 481,115 | 2013 | 486,001 | 2012 | 480,052 | 2011 | 475,293 | 2010 | 470,421 | 2009 | 454,829 | 2008 | 434,747 | 2007 | 420,986 | 2006 | 409,186 | 2005 | 394,069 | 2004 | 373,476 | 2003 | 349,938 | 2002 | 327,760 | 2001 | 305,991 | 2000 | 287,150 | 1999 | 272,424 | 1998 | 255,529 | 1997 | 243,958 | 1996 | 246,763 | 1995 | 250,794 | 1994 | 220,398 | 1993 | 220,718 | 1992 | 244,028 | 1991 | 235,081 | 1990 | 230,146 | 1989 | 225,537 | 1988 | 221,894 | 1987 | 218,069 | 1986 | 214,761 | 1985 | 214,000 | 1984 | 212,851 | 1983 | 211,150 | 1982 | 208,207 | 1981 | 206,392 | 1980 | 197,526 | 1979 | 187,553 | 1978 | 184,263 | 1977 | 179,053 | 1976 | 174,957 | 1975 | 172,190 | 1974 | 165,163 | 1973 | 155,003 | 1972 | 153,661 | 1971 | 152,386 | 1970 | 143,840 | 1969 | 139,653 | 1968 | 138,104 | 1967 | 135,006 | 1966 | 131,371 | 1965 | 127,926 | 1964 | 123,369 | 1963 | 118,690 | 1962 | 116,352 | 1961 | 112,885 | 1960 | 109,398 |
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