Year | Value | 2022 | 91,242 | 2021 | 92,443 | 2020 | 92,555 | 2019 | 91,972 | 2018 | 90,229 | 2017 | 87,034 | 2016 | 83,529 | 2015 | 79,638 | 2014 | 75,357 | 2013 | 70,717 | 2012 | 65,802 | 2011 | 60,482 | 2010 | 55,467 | 2009 | 52,456 | 2008 | 50,886 | 2007 | 49,478 | 2006 | 48,109 | 2005 | 46,623 | 2004 | 45,126 | 2003 | 43,591 | 2002 | 42,057 | 2001 | 40,418 | 2000 | 38,729 | 1999 | 37,152 | 1998 | 35,683 | 1997 | 34,342 | 1996 | 33,069 | 1995 | 31,813 | 1994 | 30,507 | 1993 | 29,112 | 1992 | 27,700 | 1991 | 26,456 | 1990 | 25,361 | 1989 | 24,302 | 1988 | 23,347 | 1987 | 22,557 | 1986 | 21,903 | 1985 | 21,329 | 1984 | 20,800 | 1983 | 20,274 | 1982 | 19,736 | 1981 | 19,238 | 1980 | 18,900 | 1979 | 18,736 | 1978 | 18,664 | 1977 | 18,696 | 1976 | 18,837 | 1975 | 19,032 | 1974 | 19,255 | 1973 | 19,484 | 1972 | 19,707 | 1971 | 19,943 | 1970 | 20,146 | 1969 | 20,286 | 1968 | 20,402 | 1967 | 20,535 | 1966 | 20,688 | 1965 | 20,862 | 1964 | 21,060 | 1963 | 21,286 | 1962 | 21,546 | 1961 | 21,841 | 1960 | 22,166 |
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