Year | Value | 2022 | 76,921 | 2021 | 76,512 | 2020 | 75,453 | 2019 | 73,592 | 2018 | 71,073 | 2017 | 68,355 | 2016 | 65,972 | 2015 | 64,063 | 2014 | 61,181 | 2013 | 55,204 | 2012 | 50,410 | 2011 | 49,240 | 2010 | 48,800 | 2009 | 48,262 | 2008 | 47,343 | 2007 | 46,121 | 2006 | 44,764 | 2005 | 43,615 | 2004 | 42,605 | 2003 | 41,587 | 2002 | 40,636 | 2001 | 39,578 | 2000 | 38,264 | 1999 | 36,773 | 1998 | 35,160 | 1997 | 33,404 | 1996 | 31,491 | 1995 | 29,466 | 1994 | 27,314 | 1993 | 24,943 | 1992 | 22,607 | 1991 | 20,841 | 1990 | 19,897 | 1989 | 19,732 | 1988 | 20,533 | 1987 | 22,011 | 1986 | 23,101 | 1985 | 23,528 | 1984 | 23,535 | 1983 | 23,044 | 1982 | 22,517 | 1981 | 21,964 | 1980 | 21,264 | 1979 | 20,723 | 1978 | 22,720 | 1977 | 24,772 | 1976 | 22,381 | 1975 | 19,913 | 1974 | 19,371 | 1973 | 18,819 | 1972 | 18,272 | 1971 | 17,821 | 1970 | 17,529 | 1969 | 17,372 | 1968 | 17,321 | 1967 | 17,381 | 1966 | 17,395 | 1965 | 17,265 | 1964 | 17,030 | 1963 | 16,646 | 1962 | 16,166 | 1961 | 15,748 | 1960 | 15,495 |
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