Year | Value | 2023 | 8,574 | 2022 | 8,452 | 2021 | 8,323 | 2020 | 8,137 | 2019 | 7,844 | 2018 | 7,492 | 2017 | 7,152 | 2016 | 6,833 | 2015 | 6,536 | 2014 | 6,261 | 2013 | 6,009 | 2012 | 5,774 | 2011 | 5,551 | 2010 | 5,336 | 2009 | 5,131 | 2008 | 4,940 | 2007 | 4,766 | 2006 | 4,604 | 2005 | 4,450 | 2004 | 4,300 | 2003 | 4,151 | 2002 | 4,003 | 2001 | 3,857 | 2000 | 3,717 | 1999 | 3,585 | 1998 | 3,458 | 1997 | 3,340 | 1996 | 3,231 | 1995 | 3,137 | 1994 | 3,082 | 1993 | 2,999 | 1992 | 3,028 | 1991 | 3,026 | 1990 | 2,759 | 1989 | 2,474 | 1988 | 2,272 | 1987 | 2,115 | 1986 | 1,968 | 1985 | 1,845 | 1984 | 1,748 | 1983 | 1,671 | 1982 | 1,603 | 1981 | 1,530 | 1980 | 1,442 | 1979 | 1,338 | 1978 | 1,221 | 1977 | 1,103 | 1976 | 994 | 1975 | 900 | 1974 | 822 |
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