| Year | Value | | 2023 | 774,446 | | 2022 | 704,615 | | 2021 | 768,283 | | 2020 | 847,916 | | 2019 | 961,632 | | 2018 | 1,091,737 | | 2017 | 1,222,199 | | 2016 | 1,282,378 | | 2015 | 1,267,977 | | 2014 | 1,197,776 | | 2013 | 1,078,130 | | 2012 | 947,746 | | 2011 | 859,746 | | 2010 | 847,349 | | 2009 | 898,089 | | 2008 | 990,228 | | 2007 | 1,077,362 | | 2006 | 1,135,113 | | 2005 | 1,160,088 | | 2004 | 1,161,066 | | 2003 | 1,148,640 | | 2002 | 1,113,835 | | 2001 | 1,066,438 | | 2000 | 1,000,819 | | 1999 | 926,143 | | 1998 | 859,363 | | 1997 | 789,965 | | 1996 | 725,085 | | 1995 | 702,391 | | 1994 | 729,999 | | 1993 | 780,702 | | 1992 | 868,093 | | 1991 | 972,189 | | 1990 | 1,038,104 | | 1989 | 1,048,888 | | 1988 | 1,027,236 | | 1987 | 989,306 | | 1986 | 943,893 | | 1985 | 915,774 | | 1984 | 887,914 | | 1983 | 863,888 | | 1982 | 843,009 | | 1981 | 814,589 | | 1980 | 782,337 | | 1979 | 756,150 | | 1978 | 718,361 | | 1977 | 671,510 | | 1976 | 635,862 | | 1975 | 608,005 | | 1974 | 582,085 |
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