| Year | Value | | 2022 | 210,418 | | 2021 | 204,371 | | 2020 | 198,388 | | 2019 | 191,837 | | 2018 | 182,129 | | 2017 | 169,255 | | 2016 | 155,865 | | 2015 | 142,413 | | 2014 | 129,000 | | 2013 | 119,214 | | 2012 | 113,850 | | 2011 | 109,719 | | 2010 | 106,432 | | 2009 | 103,957 | | 2008 | 102,242 | | 2007 | 101,123 | | 2006 | 100,291 | | 2005 | 99,511 | | 2004 | 98,691 | | 2003 | 97,756 | | 2002 | 96,679 | | 2001 | 95,458 | | 2000 | 94,123 | | 1999 | 92,669 | | 1998 | 90,986 | | 1997 | 89,160 | | 1996 | 87,448 | | 1995 | 85,960 | | 1994 | 84,610 | | 1993 | 83,392 | | 1992 | 82,263 | | 1991 | 80,978 | | 1990 | 79,385 | | 1989 | 77,525 | | 1988 | 75,394 | | 1987 | 73,094 | | 1986 | 70,947 | | 1985 | 69,152 | | 1984 | 67,646 | | 1983 | 66,368 | | 1982 | 65,402 | | 1981 | 64,799 | | 1980 | 64,575 | | 1979 | 64,765 | | 1978 | 65,457 | | 1977 | 66,310 | | 1976 | 66,638 | | 1975 | 66,050 | | 1974 | 64,574 | | 1973 | 62,181 | | 1972 | 59,052 | | 1971 | 55,806 | | 1970 | 52,804 | | 1969 | 49,980 | | 1968 | 47,457 | | 1967 | 45,361 | | 1966 | 43,546 | | 1965 | 42,023 | | 1964 | 40,845 | | 1963 | 39,858 | | 1962 | 38,971 | | 1961 | 38,169 | | 1960 | 37,309 |
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