Year | Value | 2022 | 596,167 | 2021 | 591,831 | 2020 | 585,916 | 2019 | 579,801 | 2018 | 574,204 | 2017 | 568,650 | 2016 | 563,119 | 2015 | 557,649 | 2014 | 552,371 | 2013 | 547,273 | 2012 | 542,408 | 2011 | 537,868 | 2010 | 533,566 | 2009 | 529,313 | 2008 | 525,058 | 2007 | 521,420 | 2006 | 518,532 | 2005 | 515,804 | 2004 | 512,898 | 2003 | 509,632 | 2002 | 505,974 | 2001 | 501,668 | 2000 | 496,570 | 1999 | 490,870 | 1998 | 484,700 | 1997 | 478,870 | 1996 | 471,488 | 1995 | 461,563 | 1994 | 461,697 | 1993 | 461,560 | 1992 | 447,397 | 1991 | 429,608 | 1990 | 411,659 | 1989 | 397,490 | 1988 | 381,579 | 1987 | 363,550 | 1986 | 349,133 | 1985 | 334,990 | 1984 | 322,348 | 1983 | 311,639 | 1982 | 301,307 | 1981 | 292,697 | 1980 | 284,377 | 1979 | 274,839 | 1978 | 265,592 | 1977 | 256,840 | 1976 | 248,845 | 1975 | 241,557 | 1974 | 234,821 | 1973 | 228,583 | 1972 | 222,755 | 1971 | 217,212 | 1970 | 211,931 | 1969 | 206,898 | 1968 | 202,081 | 1967 | 197,284 | 1966 | 192,233 | 1965 | 187,155 | 1964 | 182,488 | 1963 | 178,271 | 1962 | 174,364 | 1961 | 170,635 | 1960 | 166,980 |
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