Year | Value | 2023 | 30,869 | 2022 | 29,674 | 2021 | 27,888 | 2020 | 25,503 | 2019 | 22,621 | 2018 | 19,279 | 2017 | 16,300 | 2016 | 13,649 | 2015 | 11,311 | 2014 | 9,274 | 2013 | 7,532 | 2012 | 6,066 | 2011 | 4,814 | 2010 | 3,704 | 2009 | 3,361 | 2008 | 3,847 | 2007 | 4,450 | 2006 | 4,958 | 2005 | 5,192 | 2004 | 5,213 | 2003 | 5,180 | 2002 | 5,103 | 2001 | 4,973 | 2000 | 4,810 | 1999 | 4,657 | 1998 | 4,558 | 1997 | 4,530 | 1996 | 4,551 | 1995 | 4,487 | 1994 | 4,305 | 1993 | 4,119 | 1992 | 3,958 | 1991 | 3,822 | 1990 | 3,686 | 1989 | 3,536 | 1988 | 3,366 | 1987 | 3,184 | 1986 | 3,015 | 1985 | 2,893 | 1984 | 2,796 | 1983 | 2,671 | 1982 | 2,483 | 1981 | 2,239 | 1980 | 2,133 | 1979 | 2,166 | 1978 | 2,112 | 1977 | 1,917 | 1976 | 1,634 | 1975 | 1,408 | 1974 | 1,319 |
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