Year | Value | 2023 | 150,497 | 2022 | 151,007 | 2021 | 151,858 | 2020 | 155,046 | 2019 | 158,474 | 2018 | 159,339 | 2017 | 157,542 | 2016 | 153,794 | 2015 | 149,849 | 2014 | 145,339 | 2013 | 140,866 | 2012 | 137,659 | 2011 | 137,025 | 2010 | 137,943 | 2009 | 134,705 | 2008 | 127,356 | 2007 | 119,786 | 2006 | 112,129 | 2005 | 104,424 | 2004 | 96,689 | 2003 | 90,410 | 2002 | 87,008 | 2001 | 84,936 | 2000 | 82,726 | 1999 | 80,454 | 1998 | 78,149 | 1997 | 75,824 | 1996 | 73,495 | 1995 | 71,174 | 1994 | 68,865 | 1993 | 66,584 | 1992 | 64,330 | 1991 | 62,488 | 1990 | 61,366 | 1989 | 60,297 | 1988 | 59,189 | 1987 | 58,055 | 1986 | 56,918 | 1985 | 55,795 | 1984 | 54,708 | 1983 | 53,665 | 1982 | 52,666 | 1981 | 51,644 | 1980 | 50,397 | 1979 | 48,947 | 1978 | 47,456 | 1977 | 45,932 | 1976 | 44,389 | 1975 | 42,839 | 1974 | 41,295 |
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