Year | Value | 2023 | 3,961 | 2022 | 4,109 | 2021 | 4,366 | 2020 | 4,463 | 2019 | 4,373 | 2018 | 4,249 | 2017 | 4,141 | 2016 | 4,043 | 2015 | 3,950 | 2014 | 3,868 | 2013 | 3,799 | 2012 | 3,739 | 2011 | 3,685 | 2010 | 3,631 | 2009 | 3,572 | 2008 | 3,507 | 2007 | 3,435 | 2006 | 3,361 | 2005 | 3,289 | 2004 | 3,214 | 2003 | 3,146 | 2002 | 3,097 | 2001 | 3,048 | 2000 | 2,995 | 1999 | 2,942 | 1998 | 2,892 | 1997 | 2,846 | 1996 | 2,801 | 1995 | 2,755 | 1994 | 2,708 | 1993 | 2,658 | 1992 | 2,606 | 1991 | 2,552 | 1990 | 2,502 | 1989 | 2,455 | 1988 | 2,416 | 1987 | 2,382 | 1986 | 2,345 | 1985 | 2,305 | 1984 | 2,259 | 1983 | 2,207 | 1982 | 2,151 | 1981 | 2,094 | 1980 | 2,034 | 1979 | 1,970 | 1978 | 1,904 | 1977 | 1,839 | 1976 | 1,782 | 1975 | 1,736 | 1974 | 1,700 |
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