Year | Value | 2023 | 310,794 | 2022 | 301,540 | 2021 | 290,188 | 2020 | 273,888 | 2019 | 253,759 | 2018 | 233,836 | 2017 | 216,166 | 2016 | 198,920 | 2015 | 183,112 | 2014 | 169,413 | 2013 | 158,437 | 2012 | 148,497 | 2011 | 136,104 | 2010 | 120,691 | 2009 | 104,403 | 2008 | 88,791 | 2007 | 78,245 | 2006 | 77,505 | 2005 | 86,194 | 2004 | 101,469 | 2003 | 120,592 | 2002 | 138,228 | 2001 | 150,721 | 2000 | 157,021 | 1999 | 156,890 | 1998 | 152,599 | 1997 | 147,877 | 1996 | 141,231 | 1995 | 137,715 | 1994 | 139,666 | 1993 | 141,715 | 1992 | 140,036 | 1991 | 136,764 | 1990 | 131,223 | 1989 | 123,133 | 1988 | 114,788 | 1987 | 105,060 | 1986 | 96,790 | 1985 | 91,098 | 1984 | 86,204 | 1983 | 81,172 | 1982 | 77,789 | 1981 | 75,252 | 1980 | 72,605 | 1979 | 70,274 | 1978 | 67,933 | 1977 | 65,934 | 1976 | 67,372 | 1975 | 68,310 |
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