Year | Value | 2022 | 588,567 | 2021 | 561,460 | 2020 | 538,052 | 2019 | 519,023 | 2018 | 503,310 | 2017 | 489,299 | 2016 | 477,751 | 2015 | 470,056 | 2014 | 465,205 | 2013 | 464,082 | 2012 | 466,339 | 2011 | 470,332 | 2010 | 474,764 | 2009 | 475,843 | 2008 | 473,176 | 2007 | 467,677 | 2006 | 459,107 | 2005 | 448,233 | 2004 | 434,954 | 2003 | 419,745 | 2002 | 403,448 | 2001 | 385,640 | 2000 | 366,044 | 1999 | 346,005 | 1998 | 326,986 | 1997 | 307,432 | 1996 | 287,357 | 1995 | 268,658 | 1994 | 251,225 | 1993 | 236,748 | 1992 | 229,263 | 1991 | 226,208 | 1990 | 223,146 | 1989 | 220,478 | 1988 | 220,495 | 1987 | 221,778 | 1986 | 221,259 | 1985 | 220,305 | 1984 | 219,522 | 1983 | 215,438 | 1982 | 208,507 | 1981 | 202,453 | 1980 | 197,321 | 1979 | 192,723 | 1978 | 188,509 | 1977 | 184,543 | 1976 | 180,577 | 1975 | 176,511 | 1974 | 172,348 | 1973 | 165,832 | 1972 | 157,326 | 1971 | 149,342 | 1970 | 141,836 | 1969 | 134,697 | 1968 | 129,889 | 1967 | 127,348 | 1966 | 124,847 | 1965 | 122,166 | 1964 | 119,210 | 1963 | 116,299 | 1962 | 113,374 | 1961 | 110,301 | 1960 | 107,265 |
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