Year | Value | 2023 | 137,113 | 2022 | 135,976 | 2021 | 133,764 | 2020 | 131,273 | 2019 | 128,009 | 2018 | 125,372 | 2017 | 123,030 | 2016 | 120,997 | 2015 | 119,144 | 2014 | 117,150 | 2013 | 114,626 | 2012 | 111,074 | 2011 | 105,571 | 2010 | 96,299 | 2009 | 84,042 | 2008 | 72,277 | 2007 | 64,866 | 2006 | 66,267 | 2005 | 76,676 | 2004 | 93,427 | 2003 | 112,634 | 2002 | 129,332 | 2001 | 138,594 | 2000 | 140,337 | 1999 | 137,441 | 1998 | 132,869 | 1997 | 129,203 | 1996 | 128,135 | 1995 | 130,999 | 1994 | 138,143 | 1993 | 144,270 | 1992 | 146,673 | 1991 | 147,740 | 1990 | 146,979 | 1989 | 145,755 | 1988 | 140,676 | 1987 | 131,017 | 1986 | 121,646 | 1985 | 113,401 | 1984 | 106,563 | 1983 | 101,076 | 1982 | 96,667 | 1981 | 93,813 | 1980 | 93,244 | 1979 | 95,114 | 1978 | 99,126 | 1977 | 104,099 | 1976 | 108,244 | 1975 | 110,464 |
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