Year | Value | 2023 | 4,054 | 2022 | 3,960 | 2021 | 3,914 | 2020 | 3,788 | 2019 | 3,527 | 2018 | 3,305 | 2017 | 3,149 | 2016 | 3,011 | 2015 | 2,829 | 2014 | 2,550 | 2013 | 2,366 | 2012 | 2,286 | 2011 | 2,208 | 2010 | 2,060 | 2009 | 1,862 | 2008 | 1,700 | 2007 | 1,575 | 2006 | 1,492 | 2005 | 1,429 | 2004 | 1,373 | 2003 | 1,323 | 2002 | 1,274 | 2001 | 1,216 | 2000 | 1,154 | 1999 | 1,090 | 1998 | 1,022 | 1997 | 957 | 1996 | 907 | 1995 | 868 | 1994 | 834 | 1993 | 799 | 1992 | 765 | 1991 | 738 | 1990 | 720 | 1989 | 704 | 1988 | 684 | 1987 | 663 | 1986 | 640 | 1985 | 621 | 1984 | 611 | 1983 | 608 | 1982 | 605 | 1981 | 594 | 1980 | 578 | 1979 | 563 | 1978 | 547 | 1977 | 530 | 1976 | 508 | 1975 | 486 | 1974 | 460 |
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