Year | Value | 2022 | 524,175 | 2021 | 516,974 | 2020 | 511,653 | 2019 | 510,024 | 2018 | 514,170 | 2017 | 526,238 | 2016 | 546,613 | 2015 | 573,028 | 2014 | 602,445 | 2013 | 627,524 | 2012 | 643,587 | 2011 | 651,754 | 2010 | 655,010 | 2009 | 656,201 | 2008 | 658,771 | 2007 | 662,753 | 2006 | 665,929 | 2005 | 665,613 | 2004 | 660,114 | 2003 | 651,587 | 2002 | 641,819 | 2001 | 630,917 | 2000 | 619,713 | 1999 | 609,105 | 1998 | 599,775 | 1997 | 593,338 | 1996 | 588,254 | 1995 | 584,376 | 1994 | 583,747 | 1993 | 587,079 | 1992 | 595,812 | 1991 | 611,516 | 1990 | 612,166 | 1989 | 595,549 | 1988 | 575,994 | 1987 | 544,590 | 1986 | 501,454 | 1985 | 473,769 | 1984 | 462,093 | 1983 | 448,059 | 1982 | 436,985 | 1981 | 428,825 | 1980 | 419,954 | 1979 | 410,326 | 1978 | 402,234 | 1977 | 397,861 | 1976 | 396,296 | 1975 | 394,888 | 1974 | 393,249 | 1973 | 391,280 | 1972 | 387,855 | 1971 | 382,728 | 1970 | 376,965 | 1969 | 372,425 | 1968 | 371,679 | 1967 | 372,531 | 1966 | 373,520 | 1965 | 375,460 | 1964 | 372,185 | 1963 | 360,950 | 1962 | 349,706 | 1961 | 340,264 | 1960 | 329,609 |
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