Year | Value | 2023 | 3,815 | 2022 | 3,666 | 2021 | 3,565 | 2020 | 3,517 | 2019 | 3,430 | 2018 | 3,290 | 2017 | 3,146 | 2016 | 3,014 | 2015 | 2,926 | 2014 | 2,845 | 2013 | 2,745 | 2012 | 2,646 | 2011 | 2,536 | 2010 | 2,404 | 2009 | 2,307 | 2008 | 2,252 | 2007 | 2,172 | 2006 | 2,087 | 2005 | 2,008 | 2004 | 1,889 | 2003 | 1,786 | 2002 | 1,750 | 2001 | 1,727 | 2000 | 1,687 | 1999 | 1,670 | 1998 | 1,679 | 1997 | 1,679 | 1996 | 1,679 | 1995 | 1,694 | 1994 | 1,688 | 1993 | 1,639 | 1992 | 1,573 | 1991 | 1,506 | 1990 | 1,450 | 1989 | 1,413 | 1988 | 1,383 | 1987 | 1,347 | 1986 | 1,301 | 1985 | 1,242 | 1984 | 1,176 | 1983 | 1,118 | 1982 | 1,071 | 1981 | 1,030 | 1980 | 994 | 1979 | 958 | 1978 | 912 | 1977 | 859 | 1976 | 799 | 1975 | 740 | 1974 | 690 |
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