Year | Value | 2023 | 54,254 | 2022 | 53,384 | 2021 | 52,472 | 2020 | 51,347 | 2019 | 50,117 | 2018 | 48,897 | 2017 | 47,682 | 2016 | 46,415 | 2015 | 45,076 | 2014 | 43,659 | 2013 | 42,176 | 2012 | 40,647 | 2011 | 39,079 | 2010 | 37,497 | 2009 | 35,932 | 2008 | 34,431 | 2007 | 33,046 | 2006 | 31,826 | 2005 | 30,771 | 2004 | 29,873 | 2003 | 29,114 | 2002 | 28,483 | 2001 | 27,963 | 2000 | 27,491 | 1999 | 26,997 | 1998 | 26,454 | 1997 | 25,955 | 1996 | 25,523 | 1995 | 25,057 | 1994 | 24,533 | 1993 | 23,944 | 1992 | 23,182 | 1991 | 22,213 | 1990 | 21,116 | 1989 | 19,274 | 1988 | 17,451 | 1987 | 16,429 | 1986 | 15,539 | 1985 | 14,745 | 1984 | 14,064 | 1983 | 13,490 | 1982 | 13,023 | 1981 | 12,850 | 1980 | 12,916 | 1979 | 12,922 | 1978 | 13,098 | 1977 | 13,333 | 1976 | 13,388 | 1975 | 13,367 | 1974 | 13,254 |
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