Year | Value | 2022 | 80,707 | 2021 | 78,980 | 2020 | 77,976 | 2019 | 76,865 | 2018 | 75,455 | 2017 | 74,084 | 2016 | 71,827 | 2015 | 68,157 | 2014 | 64,218 | 2013 | 60,492 | 2012 | 56,647 | 2011 | 53,356 | 2010 | 50,497 | 2009 | 47,404 | 2008 | 44,661 | 2007 | 42,934 | 2006 | 41,600 | 2005 | 40,589 | 2004 | 40,436 | 2003 | 40,431 | 2002 | 39,809 | 2001 | 38,809 | 2000 | 37,502 | 1999 | 35,966 | 1998 | 34,285 | 1997 | 32,623 | 1996 | 31,214 | 1995 | 30,229 | 1994 | 29,732 | 1993 | 29,811 | 1992 | 30,334 | 1991 | 30,883 | 1990 | 31,176 | 1989 | 31,204 | 1988 | 30,912 | 1987 | 30,400 | 1986 | 30,082 | 1985 | 30,185 | 1984 | 30,640 | 1983 | 31,409 | 1982 | 32,432 | 1981 | 33,462 | 1980 | 34,356 | 1979 | 35,152 | 1978 | 35,863 | 1977 | 36,443 | 1976 | 36,927 | 1975 | 37,382 | 1974 | 37,819 | 1973 | 38,218 | 1972 | 38,520 | 1971 | 38,548 | 1970 | 38,175 | 1969 | 37,376 | 1968 | 36,112 | 1967 | 34,551 | 1966 | 33,162 | 1965 | 32,280 | 1964 | 31,897 | 1963 | 32,018 | 1962 | 32,446 | 1961 | 32,598 | 1960 | 32,090 |
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