| Year | Value | | 2023 | 113,096 | | 2022 | 106,050 | | 2021 | 96,912 | | 2020 | 85,228 | | 2019 | 70,945 | | 2018 | 54,805 | | 2017 | 41,161 | | 2016 | 30,041 | | 2015 | 21,224 | | 2014 | 14,554 | | 2013 | 9,722 | | 2012 | 6,176 | | 2011 | 3,461 | | 2010 | 1,350 | | 2009 | 1,064 | | 2008 | 3,609 | | 2007 | 9,688 | | 2006 | 16,258 | | 2005 | 18,757 | | 2004 | 18,665 | | 2003 | 18,308 | | 2002 | 17,960 | | 2001 | 17,502 | | 2000 | 16,781 | | 1999 | 15,727 | | 1998 | 14,395 | | 1997 | 12,902 | | 1996 | 11,419 | | 1995 | 10,477 | | 1994 | 10,066 | | 1993 | 9,705 | | 1992 | 9,316 | | 1991 | 8,854 | | 1990 | 8,297 | | 1989 | 7,674 | | 1988 | 7,045 | | 1987 | 6,463 | | 1986 | 5,952 | | 1985 | 5,531 | | 1984 | 5,185 | | 1983 | 4,931 | | 1982 | 4,817 | | 1981 | 4,804 | | 1980 | 4,648 | | 1979 | 4,366 | | 1978 | 4,267 | | 1977 | 4,437 | | 1976 | 4,768 | | 1975 | 4,660 | | 1974 | 3,990 |
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