Year | Value | 2022 | 79,635 | 2021 | 86,438 | 2020 | 88,262 | 2019 | 89,967 | 2018 | 90,588 | 2017 | 87,223 | 2016 | 79,975 | 2015 | 69,736 | 2014 | 58,307 | 2013 | 49,937 | 2012 | 47,918 | 2011 | 50,390 | 2010 | 54,227 | 2009 | 58,270 | 2008 | 61,553 | 2007 | 63,487 | 2006 | 64,261 | 2005 | 64,736 | 2004 | 64,992 | 2003 | 65,189 | 2002 | 65,349 | 2001 | 64,910 | 2000 | 64,450 | 1999 | 64,730 | 1998 | 65,840 | 1997 | 67,111 | 1996 | 68,172 | 1995 | 68,373 | 1994 | 68,230 | 1993 | 67,769 | 1992 | 67,229 | 1991 | 66,834 | 1990 | 66,030 | 1989 | 64,041 | 1988 | 60,601 | 1987 | 55,949 | 1986 | 50,980 | 1985 | 47,076 | 1984 | 45,132 | 1983 | 45,405 | 1982 | 47,428 | 1981 | 50,052 | 1980 | 52,135 | 1979 | 52,870 | 1978 | 52,018 | 1977 | 50,028 | 1976 | 47,675 | 1975 | 45,560 | 1974 | 43,981 | 1973 | 43,049 | 1972 | 42,780 | 1971 | 42,870 | 1970 | 42,842 | 1969 | 42,396 | 1968 | 41,409 | 1967 | 39,810 | 1966 | 37,687 | 1965 | 35,360 | 1964 | 33,159 | 1963 | 31,203 | 1962 | 29,612 | 1961 | 28,392 | 1960 | 27,574 |
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