Year | Value | 2022 | 170,584 | 2021 | 168,712 | 2020 | 166,497 | 2019 | 163,208 | 2018 | 158,216 | 2017 | 151,340 | 2016 | 142,635 | 2015 | 132,764 | 2014 | 122,482 | 2013 | 112,717 | 2012 | 104,212 | 2011 | 97,097 | 2010 | 90,985 | 2009 | 85,319 | 2008 | 79,645 | 2007 | 73,541 | 2006 | 66,780 | 2005 | 59,635 | 2004 | 52,699 | 2003 | 46,849 | 2002 | 43,305 | 2001 | 42,867 | 2000 | 45,491 | 1999 | 51,051 | 1998 | 59,016 | 1997 | 67,522 | 1996 | 73,061 | 1995 | 74,538 | 1994 | 74,066 | 1993 | 73,638 | 1992 | 74,154 | 1991 | 74,389 | 1990 | 74,912 | 1989 | 76,105 | 1988 | 77,045 | 1987 | 77,616 | 1986 | 77,200 | 1985 | 75,633 | 1984 | 72,940 | 1983 | 69,305 | 1982 | 65,118 | 1981 | 60,858 | 1980 | 56,867 | 1979 | 53,058 | 1978 | 49,295 | 1977 | 45,970 | 1976 | 43,664 | 1975 | 42,590 | 1974 | 42,704 | 1973 | 43,670 | 1972 | 44,952 | 1971 | 45,853 | 1970 | 45,836 | 1969 | 44,997 | 1968 | 43,798 | 1967 | 42,445 | 1966 | 41,181 | 1965 | 40,366 | 1964 | 39,865 | 1963 | 39,606 | 1962 | 39,512 | 1961 | 39,371 | 1960 | 39,105 |
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