Year | Value | 2022 | 646,824 | 2021 | 665,698 | 2020 | 696,288 | 2019 | 724,850 | 2018 | 753,312 | 2017 | 779,350 | 2016 | 798,155 | 2015 | 807,420 | 2014 | 805,813 | 2013 | 791,272 | 2012 | 766,008 | 2011 | 735,521 | 2010 | 704,023 | 2009 | 676,334 | 2008 | 651,593 | 2007 | 633,192 | 2006 | 622,337 | 2005 | 613,834 | 2004 | 607,078 | 2003 | 600,819 | 2002 | 596,421 | 2001 | 594,936 | 2000 | 594,971 | 1999 | 598,236 | 1998 | 598,059 | 1997 | 592,397 | 1996 | 589,172 | 1995 | 598,899 | 1994 | 625,861 | 1993 | 656,578 | 1992 | 685,304 | 1991 | 714,128 | 1990 | 736,215 | 1989 | 755,045 | 1988 | 777,605 | 1987 | 760,861 | 1986 | 732,931 | 1985 | 700,168 | 1984 | 668,063 | 1983 | 636,214 | 1982 | 607,393 | 1981 | 584,897 | 1980 | 568,830 | 1979 | 556,652 | 1978 | 544,843 | 1977 | 530,116 | 1976 | 509,636 | 1975 | 470,233 | 1974 | 414,271 | 1973 | 359,660 | 1972 | 322,679 | 1971 | 311,257 | 1970 | 332,089 | 1969 | 382,618 | 1968 | 442,162 | 1967 | 490,264 | 1966 | 517,506 | 1965 | 522,479 | 1964 | 501,578 | 1963 | 458,155 | 1962 | 404,453 | 1961 | 359,941 | 1960 | 338,283 |
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