| Year | Value | | 2024 | 192,882 | | 2023 | 182,606 | | 2022 | 173,294 | | 2021 | 165,406 | | 2020 | 158,696 | | 2019 | 153,280 | | 2018 | 149,956 | | 2017 | 148,886 | | 2016 | 149,394 | | 2015 | 150,640 | | 2014 | 150,669 | | 2013 | 148,603 | | 2012 | 145,013 | | 2011 | 140,545 | | 2010 | 136,431 | | 2009 | 132,740 | | 2008 | 129,305 | | 2007 | 126,081 | | 2006 | 122,779 | | 2005 | 119,268 | | 2004 | 115,864 | | 2003 | 112,616 | | 2002 | 109,332 | | 2001 | 106,141 | | 2000 | 103,105 | | 1999 | 100,136 | | 1998 | 97,150 | | 1997 | 94,205 | | 1996 | 91,364 | | 1995 | 88,606 | | 1994 | 85,921 | | 1993 | 83,321 | | 1992 | 80,779 | | 1991 | 78,305 | | 1990 | 75,885 | | 1989 | 73,522 | | 1988 | 71,249 | | 1987 | 69,051 | | 1986 | 67,029 | | 1985 | 65,107 | | 1984 | 63,195 | | 1983 | 61,404 | | 1982 | 59,730 | | 1981 | 58,136 | | 1980 | 56,610 | | 1979 | 55,163 | | 1978 | 53,790 | | 1977 | 52,483 | | 1976 | 51,216 | | 1975 | 49,983 |
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