Year | Value | 2023 | 39,110 | 2022 | 38,353 | 2021 | 37,696 | 2020 | 37,123 | 2019 | 36,619 | 2018 | 36,165 | 2017 | 35,725 | 2016 | 35,261 | 2015 | 34,738 | 2014 | 34,136 | 2013 | 33,440 | 2012 | 32,650 | 2011 | 31,774 | 2010 | 30,820 | 2009 | 29,790 | 2008 | 28,701 | 2007 | 27,602 | 2006 | 26,484 | 2005 | 25,493 | 2004 | 24,697 | 2003 | 23,951 | 2002 | 22,986 | 2001 | 21,758 | 2000 | 20,577 | 1999 | 19,470 | 1998 | 18,315 | 1997 | 17,075 | 1996 | 16,076 | 1995 | 15,471 | 1994 | 15,139 | 1993 | 14,688 | 1992 | 14,860 | 1991 | 14,954 | 1990 | 13,815 | 1989 | 12,695 | 1988 | 12,062 | 1987 | 11,622 | 1986 | 11,170 | 1985 | 10,723 | 1984 | 10,257 | 1983 | 9,805 | 1982 | 9,396 | 1981 | 8,970 | 1980 | 8,470 | 1979 | 7,886 | 1978 | 7,239 | 1977 | 6,579 | 1976 | 5,964 | 1975 | 5,430 | 1974 | 4,988 |
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