Year | Value | 2022 | 549,561 | 2021 | 518,918 | 2020 | 518,410 | 2019 | 519,148 | 2018 | 523,563 | 2017 | 532,937 | 2016 | 547,549 | 2015 | 571,281 | 2014 | 605,178 | 2013 | 645,203 | 2012 | 687,625 | 2011 | 725,706 | 2010 | 753,981 | 2009 | 766,492 | 2008 | 763,851 | 2007 | 762,972 | 2006 | 770,098 | 2005 | 785,674 | 2004 | 813,222 | 2003 | 849,354 | 2002 | 888,949 | 2001 | 927,513 | 2000 | 949,664 | 1999 | 956,324 | 1998 | 954,449 | 1997 | 942,151 | 1996 | 926,049 | 1995 | 915,622 | 1994 | 918,588 | 1993 | 952,935 | 1992 | 1,014,018 | 1991 | 1,034,141 | 1990 | 991,897 | 1989 | 920,739 | 1988 | 827,528 | 1987 | 721,962 | 1986 | 673,343 | 1985 | 682,233 | 1984 | 687,985 | 1983 | 690,459 | 1982 | 699,446 | 1981 | 727,753 | 1980 | 766,973 | 1979 | 800,720 | 1978 | 824,058 | 1977 | 839,018 | 1976 | 847,092 | 1975 | 853,389 | 1974 | 869,400 | 1973 | 877,494 | 1972 | 863,154 | 1971 | 835,330 | 1970 | 795,238 | 1969 | 748,894 | 1968 | 710,853 | 1967 | 679,116 | 1966 | 658,725 | 1965 | 662,898 | 1964 | 687,193 | 1963 | 718,733 | 1962 | 750,299 | 1961 | 776,217 | 1960 | 792,312 |
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