Year | Value | 2022 | 69,217 | 2021 | 70,265 | 2020 | 70,952 | 2019 | 70,962 | 2018 | 70,810 | 2017 | 70,658 | 2016 | 70,424 | 2015 | 70,075 | 2014 | 70,240 | 2013 | 70,446 | 2012 | 70,041 | 2011 | 69,281 | 2010 | 67,975 | 2009 | 66,234 | 2008 | 64,388 | 2007 | 62,567 | 2006 | 60,836 | 2005 | 59,007 | 2004 | 56,948 | 2003 | 54,354 | 2002 | 51,220 | 2001 | 48,244 | 2000 | 45,362 | 1999 | 42,469 | 1998 | 40,241 | 1997 | 38,523 | 1996 | 36,734 | 1995 | 35,004 | 1994 | 33,331 | 1993 | 31,697 | 1992 | 30,199 | 1991 | 28,844 | 1990 | 27,635 | 1989 | 26,558 | 1988 | 26,282 | 1987 | 27,139 | 1986 | 28,417 | 1985 | 29,712 | 1984 | 30,982 | 1983 | 32,225 | 1982 | 33,458 | 1981 | 34,682 | 1980 | 35,886 | 1979 | 37,051 | 1978 | 38,135 | 1977 | 39,092 | 1976 | 39,889 | 1975 | 39,862 | 1974 | 39,077 | 1973 | 38,239 | 1972 | 37,396 | 1971 | 36,643 | 1970 | 36,018 | 1969 | 35,502 | 1968 | 35,128 | 1967 | 34,880 | 1966 | 34,647 | 1965 | 34,370 | 1964 | 34,064 | 1963 | 33,735 | 1962 | 33,373 | 1961 | 33,003 | 1960 | 32,644 |
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