Year | Value | 2023 | 31,680 | 2022 | 30,935 | 2021 | 30,125 | 2020 | 29,237 | 2019 | 28,265 | 2018 | 27,241 | 2017 | 26,188 | 2016 | 25,129 | 2015 | 24,082 | 2014 | 23,058 | 2013 | 22,061 | 2012 | 21,097 | 2011 | 20,169 | 2010 | 19,283 | 2009 | 18,432 | 2008 | 17,622 | 2007 | 16,871 | 2006 | 16,154 | 2005 | 15,523 | 2004 | 15,003 | 2003 | 14,524 | 2002 | 13,975 | 2001 | 13,368 | 2000 | 12,898 | 1999 | 12,608 | 1998 | 12,385 | 1997 | 12,117 | 1996 | 11,893 | 1995 | 11,729 | 1994 | 11,584 | 1993 | 11,244 | 1992 | 11,343 | 1991 | 11,343 | 1990 | 10,343 | 1989 | 9,287 | 1988 | 8,563 | 1987 | 8,007 | 1986 | 7,494 | 1985 | 7,064 | 1984 | 6,724 | 1983 | 6,456 | 1982 | 6,220 | 1981 | 5,968 | 1980 | 5,661 | 1979 | 5,284 | 1978 | 4,854 | 1977 | 4,409 | 1976 | 3,994 | 1975 | 3,632 | 1974 | 3,333 |
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