Year | Value | 2022 | 81,968 | 2021 | 82,487 | 2020 | 81,099 | 2019 | 77,904 | 2018 | 73,658 | 2017 | 69,607 | 2016 | 66,311 | 2015 | 63,310 | 2014 | 60,037 | 2013 | 56,697 | 2012 | 53,495 | 2011 | 49,939 | 2010 | 45,311 | 2009 | 39,743 | 2008 | 34,188 | 2007 | 29,948 | 2006 | 28,787 | 2005 | 31,939 | 2004 | 38,829 | 2003 | 47,576 | 2002 | 55,760 | 2001 | 61,521 | 2000 | 64,153 | 1999 | 63,866 | 1998 | 61,841 | 1997 | 59,631 | 1996 | 58,285 | 1995 | 58,444 | 1994 | 60,880 | 1993 | 64,757 | 1992 | 68,450 | 1991 | 69,679 | 1990 | 67,558 | 1989 | 63,128 | 1988 | 57,122 | 1987 | 49,843 | 1986 | 41,937 | 1985 | 34,770 | 1984 | 28,675 | 1983 | 24,123 | 1982 | 21,346 | 1981 | 19,850 | 1980 | 19,464 | 1979 | 20,304 | 1978 | 22,207 | 1977 | 25,061 | 1976 | 28,452 | 1975 | 30,855 | 1974 | 32,005 | 1973 | 32,520 | 1972 | 32,413 | 1971 | 32,051 | 1970 | 31,581 | 1969 | 30,868 | 1968 | 29,915 | 1967 | 28,819 | 1966 | 27,586 | 1965 | 26,235 | 1964 | 24,809 | 1963 | 23,331 | 1962 | 21,869 | 1961 | 20,557 | 1960 | 19,452 |
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