Year | Value | 2022 | 81,200 | 2021 | 81,081 | 2020 | 81,095 | 2019 | 81,246 | 2018 | 81,186 | 2017 | 80,946 | 2016 | 80,809 | 2015 | 80,648 | 2014 | 80,724 | 2013 | 81,021 | 2012 | 81,157 | 2011 | 81,214 | 2010 | 81,613 | 2009 | 82,796 | 2008 | 84,036 | 2007 | 84,368 | 2006 | 83,776 | 2005 | 82,407 | 2004 | 80,571 | 2003 | 78,748 | 2002 | 77,009 | 2001 | 75,336 | 2000 | 74,158 | 1999 | 73,702 | 1998 | 73,436 | 1997 | 72,975 | 1996 | 72,379 | 1995 | 71,579 | 1994 | 70,791 | 1993 | 70,382 | 1992 | 70,377 | 1991 | 70,663 | 1990 | 70,470 | 1989 | 68,992 | 1988 | 66,515 | 1987 | 63,667 | 1986 | 60,785 | 1985 | 57,760 | 1984 | 54,477 | 1983 | 51,023 | 1982 | 47,453 | 1981 | 44,116 | 1980 | 42,776 | 1979 | 43,932 | 1978 | 45,660 | 1977 | 46,704 | 1976 | 46,845 | 1975 | 46,350 | 1974 | 46,071 | 1973 | 45,956 | 1972 | 45,518 | 1971 | 44,985 | 1970 | 44,366 | 1969 | 43,669 | 1968 | 42,908 | 1967 | 42,105 | 1966 | 41,288 | 1965 | 40,471 | 1964 | 39,655 | 1963 | 38,822 | 1962 | 37,952 | 1961 | 37,063 | 1960 | 36,184 |
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