Year | Value | 2022 | 634,768 | 2021 | 611,971 | 2020 | 592,976 | 2019 | 578,662 | 2018 | 567,123 | 2017 | 556,769 | 2016 | 546,603 | 2015 | 536,881 | 2014 | 529,163 | 2013 | 523,996 | 2012 | 520,766 | 2011 | 519,310 | 2010 | 519,344 | 2009 | 519,274 | 2008 | 516,751 | 2007 | 509,475 | 2006 | 496,200 | 2005 | 476,704 | 2004 | 451,450 | 2003 | 421,899 | 2002 | 395,009 | 2001 | 375,590 | 2000 | 360,023 | 1999 | 346,132 | 1998 | 334,326 | 1997 | 315,239 | 1996 | 267,853 | 1995 | 220,710 | 1994 | 272,821 | 1993 | 330,311 | 1992 | 316,954 | 1991 | 307,574 | 1990 | 300,311 | 1989 | 295,309 | 1988 | 291,701 | 1987 | 287,280 | 1986 | 282,175 | 1985 | 278,019 | 1984 | 275,459 | 1983 | 273,045 | 1982 | 267,997 | 1981 | 260,400 | 1980 | 252,297 | 1979 | 244,560 | 1978 | 237,553 | 1977 | 230,927 | 1976 | 224,060 | 1975 | 217,008 | 1974 | 209,773 | 1973 | 200,527 | 1972 | 189,783 | 1971 | 178,977 | 1970 | 167,087 | 1969 | 154,278 | 1968 | 142,934 | 1967 | 133,103 | 1966 | 124,134 | 1965 | 117,427 | 1964 | 113,233 | 1963 | 111,605 | 1962 | 111,718 | 1961 | 112,600 | 1960 | 113,814 |
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