Year | Value | 2023 | 20,101 | 2022 | 20,712 | 2021 | 21,609 | 2020 | 22,298 | 2019 | 20,197 | 2018 | 15,790 | 2017 | 11,876 | 2016 | 8,644 | 2015 | 6,180 | 2014 | 4,452 | 2013 | 3,327 | 2012 | 2,651 | 2011 | 2,295 | 2010 | 2,161 | 2009 | 2,252 | 2008 | 2,446 | 2007 | 2,577 | 2006 | 2,643 | 2005 | 2,652 | 2004 | 2,619 | 2003 | 2,545 | 2002 | 2,434 | 2001 | 2,306 | 2000 | 2,176 | 1999 | 2,052 | 1998 | 1,938 | 1997 | 1,833 | 1996 | 1,736 | 1995 | 1,672 | 1994 | 1,633 | 1993 | 1,582 | 1992 | 1,519 | 1991 | 1,449 | 1990 | 1,378 | 1989 | 1,314 | 1988 | 1,259 | 1987 | 1,215 | 1986 | 1,179 | 1985 | 1,112 | 1984 | 1,016 | 1983 | 926 | 1982 | 847 | 1981 | 786 | 1980 | 759 | 1979 | 755 | 1978 | 744 | 1977 | 737 | 1976 | 736 | 1975 | 660 | 1974 | 522 |
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