| Year | Value | | 2024 | 4,614 | | 2023 | 4,399 | | 2022 | 4,190 | | 2021 | 4,010 | | 2020 | 3,858 | | 2019 | 3,705 | | 2018 | 3,549 | | 2017 | 3,403 | | 2016 | 3,265 | | 2015 | 3,133 | | 2014 | 3,008 | | 2013 | 2,886 | | 2012 | 2,769 | | 2011 | 2,659 | | 2010 | 2,558 | | 2009 | 2,460 | | 2008 | 2,364 | | 2007 | 2,272 | | 2006 | 2,181 | | 2005 | 2,094 | | 2004 | 2,011 | | 2003 | 1,931 | | 2002 | 1,855 | | 2001 | 1,785 | | 2000 | 1,721 | | 1999 | 1,662 | | 1998 | 1,606 | | 1997 | 1,550 | | 1996 | 1,496 | | 1995 | 1,445 | | 1994 | 1,414 | | 1993 | 1,371 | | 1992 | 1,382 | | 1991 | 1,380 | | 1990 | 1,255 | | 1989 | 1,121 | | 1988 | 1,026 | | 1987 | 952 | | 1986 | 885 | | 1985 | 827 | | 1984 | 781 | | 1983 | 742 | | 1982 | 708 | | 1981 | 673 | | 1980 | 632 | | 1979 | 583 | | 1978 | 529 | | 1977 | 476 | | 1976 | 427 | | 1975 | 384 |
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