Year | Value | 2022 | 650,574 | 2021 | 636,068 | 2020 | 622,935 | 2019 | 638,752 | 2018 | 655,618 | 2017 | 675,597 | 2016 | 693,587 | 2015 | 703,538 | 2014 | 706,171 | 2013 | 705,801 | 2012 | 707,639 | 2011 | 710,363 | 2010 | 714,837 | 2009 | 724,171 | 2008 | 729,501 | 2007 | 726,572 | 2006 | 715,033 | 2005 | 702,560 | 2004 | 688,583 | 2003 | 675,764 | 2002 | 664,480 | 2001 | 643,096 | 2000 | 612,222 | 1999 | 581,453 | 1998 | 529,992 | 1997 | 471,923 | 1996 | 426,709 | 1995 | 394,954 | 1994 | 382,663 | 1993 | 400,230 | 1992 | 437,432 | 1991 | 476,728 | 1990 | 510,364 | 1989 | 527,010 | 1988 | 530,587 | 1987 | 527,295 | 1986 | 520,240 | 1985 | 513,274 | 1984 | 502,443 | 1983 | 490,473 | 1982 | 477,836 | 1981 | 463,018 | 1980 | 452,564 | 1979 | 439,988 | 1978 | 423,122 | 1977 | 405,874 | 1976 | 387,208 | 1975 | 366,422 | 1974 | 346,851 | 1973 | 332,514 | 1972 | 314,617 | 1971 | 296,810 | 1970 | 280,908 | 1969 | 268,166 | 1968 | 258,811 | 1967 | 251,609 | 1966 | 245,833 | 1965 | 238,933 | 1964 | 229,577 | 1963 | 216,173 | 1962 | 204,224 | 1961 | 194,110 | 1960 | 183,618 |
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