| Year | Value | | 2024 | 343,002 | | 2023 | 327,816 | | 2022 | 341,566 | | 2021 | 327,315 | | 2020 | 372,500 | | 2019 | 364,583 | | 2018 | 357,078 | | 2017 | 343,147 | | 2016 | 328,802 | | 2015 | 309,563 | | 2014 | 280,781 | | 2013 | 243,434 | | 2012 | 212,933 | | 2011 | 200,334 | | 2010 | 202,605 | | 2009 | 199,988 | | 2008 | 169,809 | | 2007 | 134,900 | | 2006 | 98,338 | | 2005 | 76,742 | | 2004 | 71,550 | | 2003 | 69,162 | | 2002 | 64,702 | | 2001 | 60,767 | | 2000 | 57,421 | | 1999 | 54,664 | | 1998 | 52,450 | | 1997 | 50,676 | | 1996 | 49,141 | | 1995 | 47,851 | | 1994 | 46,927 | | 1993 | 46,309 | | 1992 | 45,909 | | 1991 | 45,631 | | 1990 | 45,355 | | 1989 | 44,980 | | 1988 | 44,456 | | 1987 | 43,780 | | 1986 | 42,710 | | 1985 | 40,130 | | 1984 | 36,294 | | 1983 | 32,454 | | 1982 | 28,788 | | 1981 | 25,393 | | 1980 | 22,315 | | 1979 | 19,584 | | 1978 | 17,227 | | 1977 | 15,224 | | 1976 | 13,519 | | 1975 | 12,069 |
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