Year | Value | 2022 | 81,838 | 2021 | 81,298 | 2020 | 80,111 | 2019 | 78,577 | 2018 | 76,880 | 2017 | 75,007 | 2016 | 72,900 | 2015 | 70,640 | 2014 | 68,098 | 2013 | 65,423 | 2012 | 63,143 | 2011 | 61,402 | 2010 | 60,138 | 2009 | 59,069 | 2008 | 57,807 | 2007 | 56,204 | 2006 | 54,267 | 2005 | 52,090 | 2004 | 50,073 | 2003 | 48,601 | 2002 | 47,487 | 2001 | 46,377 | 2000 | 45,167 | 1999 | 43,817 | 1998 | 42,320 | 1997 | 40,846 | 1996 | 39,644 | 1995 | 38,877 | 1994 | 38,591 | 1993 | 38,668 | 1992 | 38,897 | 1991 | 39,098 | 1990 | 39,407 | 1989 | 40,092 | 1988 | 41,060 | 1987 | 41,923 | 1986 | 42,402 | 1985 | 42,390 | 1984 | 41,854 | 1983 | 40,839 | 1982 | 39,421 | 1981 | 37,716 | 1980 | 36,024 | 1979 | 34,648 | 1978 | 33,523 | 1977 | 32,432 | 1976 | 31,258 | 1975 | 29,958 | 1974 | 28,943 | 1973 | 28,244 | 1972 | 27,520 | 1971 | 26,825 | 1970 | 26,160 | 1969 | 26,224 | 1968 | 26,891 | 1967 | 27,660 | 1966 | 28,647 | 1965 | 29,622 | 1964 | 29,830 | 1963 | 29,400 | 1962 | 28,864 | 1961 | 28,110 | 1960 | 27,386 |
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