Year | Value | 2022 | 41,952 | 2021 | 41,080 | 2020 | 40,515 | 2019 | 40,668 | 2018 | 42,493 | 2017 | 46,415 | 2016 | 51,685 | 2015 | 57,392 | 2014 | 62,511 | 2013 | 66,788 | 2012 | 70,675 | 2011 | 74,302 | 2010 | 77,334 | 2009 | 80,219 | 2008 | 83,106 | 2007 | 84,021 | 2006 | 82,989 | 2005 | 81,983 | 2004 | 81,124 | 2003 | 79,833 | 2002 | 78,987 | 2001 | 79,258 | 2000 | 80,233 | 1999 | 81,406 | 1998 | 82,718 | 1997 | 84,351 | 1996 | 86,176 | 1995 | 87,755 | 1994 | 88,980 | 1993 | 90,038 | 1992 | 91,134 | 1991 | 91,575 | 1990 | 91,312 | 1989 | 91,593 | 1988 | 92,608 | 1987 | 94,066 | 1986 | 96,109 | 1985 | 98,602 | 1984 | 100,641 | 1983 | 101,640 | 1982 | 101,677 | 1981 | 100,725 | 1980 | 99,364 | 1979 | 98,091 | 1978 | 96,118 | 1977 | 93,686 | 1976 | 91,770 | 1975 | 90,000 | 1974 | 88,425 | 1973 | 87,583 | 1972 | 86,614 | 1971 | 84,628 | 1970 | 82,020 | 1969 | 79,184 | 1968 | 76,967 | 1967 | 76,557 | 1966 | 78,388 | 1965 | 81,719 | 1964 | 85,500 | 1963 | 88,939 | 1962 | 91,247 | 1961 | 92,159 | 1960 | 91,655 |
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