Year | Value | 2022 | 532,357 | 2021 | 549,944 | 2020 | 575,630 | 2019 | 603,405 | 2018 | 625,701 | 2017 | 639,083 | 2016 | 644,869 | 2015 | 646,567 | 2014 | 647,220 | 2013 | 649,815 | 2012 | 653,546 | 2011 | 655,340 | 2010 | 652,984 | 2009 | 645,748 | 2008 | 636,171 | 2007 | 626,834 | 2006 | 618,330 | 2005 | 610,361 | 2004 | 602,334 | 2003 | 594,671 | 2002 | 588,847 | 2001 | 583,016 | 2000 | 577,521 | 1999 | 575,436 | 1998 | 578,027 | 1997 | 586,526 | 1996 | 602,579 | 1995 | 604,441 | 1994 | 588,760 | 1993 | 569,230 | 1992 | 537,798 | 1991 | 494,567 | 1990 | 466,337 | 1989 | 454,087 | 1988 | 439,513 | 1987 | 427,626 | 1986 | 418,934 | 1985 | 410,509 | 1984 | 401,879 | 1983 | 394,554 | 1982 | 390,577 | 1981 | 389,111 | 1980 | 387,939 | 1979 | 386,460 | 1978 | 384,371 | 1977 | 381,061 | 1976 | 376,454 | 1975 | 370,881 | 1974 | 366,275 | 1973 | 365,802 | 1972 | 366,710 | 1971 | 367,698 | 1970 | 369,756 | 1969 | 366,809 | 1968 | 356,036 | 1967 | 345,560 | 1966 | 336,639 | 1965 | 325,599 | 1964 | 320,795 | 1963 | 324,146 | 1962 | 326,526 | 1961 | 325,270 | 1960 | 323,102 |
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