| Year | Value | | 2024 | 107,087 | | 2023 | 102,328 | | 2022 | 105,384 | | 2021 | 100,640 | | 2020 | 112,260 | | 2019 | 103,425 | | 2018 | 96,425 | | 2017 | 90,562 | | 2016 | 84,909 | | 2015 | 79,415 | | 2014 | 74,634 | | 2013 | 68,040 | | 2012 | 60,073 | | 2011 | 54,485 | | 2010 | 51,513 | | 2009 | 47,739 | | 2008 | 40,385 | | 2007 | 34,293 | | 2006 | 29,352 | | 2005 | 28,332 | | 2004 | 27,679 | | 2003 | 25,380 | | 2002 | 23,131 | | 2001 | 21,166 | | 2000 | 19,726 | | 1999 | 18,912 | | 1998 | 18,679 | | 1997 | 18,810 | | 1996 | 18,736 | | 1995 | 18,184 | | 1994 | 17,366 | | 1993 | 16,398 | | 1992 | 15,384 | | 1991 | 14,403 | | 1990 | 13,524 | | 1989 | 12,788 | | 1988 | 12,211 | | 1987 | 11,790 | | 1986 | 11,465 | | 1985 | 10,951 | | 1984 | 10,197 | | 1983 | 9,397 | | 1982 | 8,594 | | 1981 | 7,828 | | 1980 | 7,123 | | 1979 | 6,502 | | 1978 | 5,990 | | 1977 | 5,592 | | 1976 | 5,284 | | 1975 | 5,043 |
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