Year | Value | 2022 | 75,442 | 2021 | 75,028 | 2020 | 74,334 | 2019 | 73,304 | 2018 | 72,455 | 2017 | 72,287 | 2016 | 72,740 | 2015 | 73,271 | 2014 | 73,854 | 2013 | 74,436 | 2012 | 74,642 | 2011 | 74,071 | 2010 | 73,273 | 2009 | 71,925 | 2008 | 69,538 | 2007 | 67,361 | 2006 | 64,667 | 2005 | 60,519 | 2004 | 56,341 | 2003 | 54,599 | 2002 | 54,064 | 2001 | 53,923 | 2000 | 55,220 | 1999 | 56,922 | 1998 | 57,083 | 1997 | 56,489 | 1996 | 56,240 | 1995 | 56,323 | 1994 | 56,566 | 1993 | 57,289 | 1992 | 58,390 | 1991 | 59,475 | 1990 | 60,668 | 1989 | 61,583 | 1988 | 61,895 | 1987 | 61,853 | 1986 | 61,067 | 1985 | 60,071 | 1984 | 59,519 | 1983 | 59,174 | 1982 | 58,700 | 1981 | 58,066 | 1980 | 56,639 | 1979 | 53,839 | 1978 | 49,180 | 1977 | 43,001 | 1976 | 37,093 | 1975 | 32,945 | 1974 | 32,383 | 1973 | 35,524 | 1972 | 40,567 | 1971 | 45,682 | 1970 | 49,583 | 1969 | 51,442 | 1968 | 51,627 | 1967 | 51,067 | 1966 | 50,370 | 1965 | 49,616 | 1964 | 48,581 | 1963 | 47,600 | 1962 | 47,070 | 1961 | 47,121 | 1960 | 47,162 |
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