Year | Value | 2023 | 26,063 | 2022 | 25,053 | 2021 | 24,058 | 2020 | 23,081 | 2019 | 22,105 | 2018 | 21,145 | 2017 | 20,217 | 2016 | 19,325 | 2015 | 18,470 | 2014 | 17,654 | 2013 | 16,875 | 2012 | 16,133 | 2011 | 15,429 | 2010 | 14,765 | 2009 | 14,131 | 2008 | 13,536 | 2007 | 12,996 | 2006 | 12,523 | 2005 | 12,211 | 2004 | 12,105 | 2003 | 12,103 | 2002 | 12,038 | 2001 | 11,843 | 2000 | 11,552 | 1999 | 11,136 | 1998 | 10,621 | 1997 | 10,074 | 1996 | 9,609 | 1995 | 9,282 | 1994 | 9,112 | 1993 | 8,877 | 1992 | 9,011 | 1991 | 9,057 | 1990 | 8,293 | 1989 | 7,465 | 1988 | 6,887 | 1987 | 6,437 | 1986 | 6,022 | 1985 | 5,672 | 1984 | 5,396 | 1983 | 5,178 | 1982 | 4,987 | 1981 | 4,783 | 1980 | 4,534 | 1979 | 4,230 | 1978 | 3,882 | 1977 | 3,524 | 1976 | 3,190 | 1975 | 2,899 | 1974 | 2,658 |
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