Year | Value | 2022 | 617,642 | 2021 | 597,731 | 2020 | 575,367 | 2019 | 551,382 | 2018 | 526,889 | 2017 | 502,469 | 2016 | 478,772 | 2015 | 457,291 | 2014 | 439,493 | 2013 | 425,985 | 2012 | 416,928 | 2011 | 411,572 | 2010 | 409,102 | 2009 | 408,158 | 2008 | 406,904 | 2007 | 404,544 | 2006 | 401,028 | 2005 | 396,012 | 2004 | 389,569 | 2003 | 382,208 | 2002 | 373,606 | 2001 | 363,567 | 2000 | 352,387 | 1999 | 341,402 | 1998 | 331,549 | 1997 | 321,082 | 1996 | 308,633 | 1995 | 295,685 | 1994 | 278,834 | 1993 | 260,907 | 1992 | 250,463 | 1991 | 244,813 | 1990 | 239,887 | 1989 | 235,701 | 1988 | 232,946 | 1987 | 232,612 | 1986 | 231,228 | 1985 | 225,910 | 1984 | 219,343 | 1983 | 213,359 | 1982 | 208,491 | 1981 | 204,421 | 1980 | 202,862 | 1979 | 204,525 | 1978 | 206,797 | 1977 | 207,920 | 1976 | 206,904 | 1975 | 204,168 | 1974 | 200,857 | 1973 | 197,285 | 1972 | 193,487 | 1971 | 188,984 | 1970 | 184,123 | 1969 | 180,240 | 1968 | 177,382 | 1967 | 174,687 | 1966 | 172,159 | 1965 | 169,478 | 1964 | 166,724 | 1963 | 164,365 | 1962 | 162,054 | 1961 | 159,842 | 1960 | 157,438 |
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