Year | Value | 2022 | 117,566 | 2021 | 116,213 | 2020 | 115,884 | 2019 | 115,365 | 2018 | 115,317 | 2017 | 115,184 | 2016 | 115,033 | 2015 | 114,907 | 2014 | 114,740 | 2013 | 114,208 | 2012 | 113,160 | 2011 | 111,932 | 2010 | 110,475 | 2009 | 110,492 | 2008 | 113,831 | 2007 | 119,487 | 2006 | 127,505 | 2005 | 135,628 | 2004 | 141,337 | 2003 | 143,469 | 2002 | 143,087 | 2001 | 141,161 | 2000 | 138,943 | 1999 | 137,336 | 1998 | 136,583 | 1997 | 137,056 | 1996 | 138,940 | 1995 | 141,647 | 1994 | 144,799 | 1993 | 144,784 | 1992 | 140,700 | 1991 | 134,657 | 1990 | 125,850 | 1989 | 115,113 | 1988 | 103,692 | 1987 | 95,910 | 1986 | 96,302 | 1985 | 104,662 | 1984 | 118,352 | 1983 | 133,684 | 1982 | 146,865 | 1981 | 155,423 | 1980 | 158,518 | 1979 | 157,069 | 1978 | 153,302 | 1977 | 149,219 | 1976 | 146,160 | 1975 | 145,426 | 1974 | 147,300 | 1973 | 150,823 | 1972 | 154,377 | 1971 | 155,567 | 1970 | 152,916 | 1969 | 147,318 | 1968 | 139,026 | 1967 | 127,457 | 1966 | 114,035 | 1965 | 100,478 | 1964 | 88,486 | 1963 | 79,218 | 1962 | 72,682 | 1961 | 68,639 | 1960 | 66,711 |
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