Year | Value | 2023 | 9,242 | 2022 | 8,790 | 2021 | 8,410 | 2020 | 8,085 | 2019 | 7,771 | 2018 | 7,475 | 2017 | 7,201 | 2016 | 6,948 | 2015 | 6,732 | 2014 | 6,570 | 2013 | 6,472 | 2012 | 6,440 | 2011 | 6,470 | 2010 | 6,557 | 2009 | 6,685 | 2008 | 6,768 | 2007 | 6,782 | 2006 | 6,770 | 2005 | 6,702 | 2004 | 6,556 | 2003 | 6,391 | 2002 | 6,215 | 2001 | 5,979 | 2000 | 5,704 | 1999 | 5,418 | 1998 | 5,155 | 1997 | 4,926 | 1996 | 4,727 | 1995 | 4,549 | 1994 | 4,385 | 1993 | 4,223 | 1992 | 4,061 | 1991 | 3,897 | 1990 | 3,732 | 1989 | 3,564 | 1988 | 3,395 | 1987 | 3,229 | 1986 | 3,072 | 1985 | 2,934 | 1984 | 2,827 | 1983 | 2,759 | 1982 | 2,727 | 1981 | 2,719 | 1980 | 2,722 | 1979 | 2,714 | 1978 | 2,678 | 1977 | 2,609 | 1976 | 2,512 | 1975 | 2,393 | 1974 | 2,260 |
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