Year | Value | 2023 | 85,028 | 2022 | 78,369 | 2021 | 71,714 | 2020 | 64,897 | 2019 | 56,994 | 2018 | 49,414 | 2017 | 44,452 | 2016 | 43,055 | 2015 | 45,503 | 2014 | 51,149 | 2013 | 58,551 | 2012 | 65,885 | 2011 | 71,601 | 2010 | 74,913 | 2009 | 75,871 | 2008 | 74,575 | 2007 | 72,353 | 2006 | 70,204 | 2005 | 68,218 | 2004 | 66,967 | 2003 | 65,943 | 2002 | 64,269 | 2001 | 61,622 | 2000 | 57,706 | 1999 | 52,520 | 1998 | 47,011 | 1997 | 41,820 | 1996 | 36,930 | 1995 | 32,263 | 1994 | 28,035 | 1993 | 24,979 | 1992 | 23,169 | 1991 | 22,170 | 1990 | 21,974 | 1989 | 22,595 | 1988 | 23,954 | 1987 | 25,928 | 1986 | 28,169 | 1985 | 30,319 | 1984 | 31,925 | 1983 | 32,644 | 1982 | 32,593 | 1981 | 32,033 | 1980 | 31,125 | 1979 | 29,977 | 1978 | 27,807 | 1977 | 25,141 | 1976 | 22,986 | 1975 | 21,792 | 1974 | 21,504 |
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