Year | Value | 2022 | 63,738 | 2021 | 64,113 | 2020 | 65,199 | 2019 | 66,469 | 2018 | 67,715 | 2017 | 67,483 | 2016 | 65,393 | 2015 | 62,819 | 2014 | 60,267 | 2013 | 57,998 | 2012 | 56,004 | 2011 | 54,207 | 2010 | 52,584 | 2009 | 51,057 | 2008 | 49,600 | 2007 | 48,270 | 2006 | 47,121 | 2005 | 46,161 | 2004 | 45,378 | 2003 | 44,782 | 2002 | 44,374 | 2001 | 44,108 | 2000 | 43,970 | 1999 | 43,925 | 1998 | 43,915 | 1997 | 43,958 | 1996 | 44,037 | 1995 | 44,051 | 1994 | 44,004 | 1993 | 43,908 | 1992 | 43,725 | 1991 | 43,457 | 1990 | 43,108 | 1989 | 42,681 | 1988 | 42,185 | 1987 | 41,606 | 1986 | 40,911 | 1985 | 40,083 | 1984 | 39,149 | 1983 | 38,150 | 1982 | 37,125 | 1981 | 36,112 | 1980 | 35,134 | 1979 | 34,187 | 1978 | 33,286 | 1977 | 32,428 | 1976 | 31,572 | 1975 | 30,719 | 1974 | 29,888 | 1973 | 29,081 | 1972 | 28,284 | 1971 | 27,515 | 1970 | 26,799 | 1969 | 26,126 | 1968 | 25,500 | 1967 | 24,910 | 1966 | 24,332 | 1965 | 23,752 | 1964 | 23,180 | 1963 | 22,616 | 1962 | 22,057 | 1961 | 21,540 | 1960 | 21,070 |
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