| Year | Value | | 2022 | 119,980 | | 2021 | 119,131 | | 2020 | 118,131 | | 2019 | 117,010 | | 2018 | 115,553 | | 2017 | 114,140 | | 2016 | 113,082 | | 2015 | 111,973 | | 2014 | 111,037 | | 2013 | 110,215 | | 2012 | 109,355 | | 2011 | 108,751 | | 2010 | 108,199 | | 2009 | 107,460 | | 2008 | 106,697 | | 2007 | 105,929 | | 2006 | 105,166 | | 2005 | 104,414 | | 2004 | 103,658 | | 2003 | 102,920 | | 2002 | 102,197 | | 2001 | 101,508 | | 2000 | 101,039 | | 1999 | 100,717 | | 1998 | 100,325 | | 1997 | 99,887 | | 1996 | 99,457 | | 1995 | 99,047 | | 1994 | 98,720 | | 1993 | 98,336 | | 1992 | 97,880 | | 1991 | 97,303 | | 1990 | 96,464 | | 1989 | 95,375 | | 1988 | 94,229 | | 1987 | 93,059 | | 1986 | 91,922 | | 1985 | 90,970 | | 1984 | 90,062 | | 1983 | 89,168 | | 1982 | 88,280 | | 1981 | 87,504 | | 1980 | 86,762 | | 1979 | 86,172 | | 1978 | 85,547 | | 1977 | 84,882 | | 1976 | 84,130 | | 1975 | 83,188 | | 1974 | 82,087 | | 1973 | 80,916 | | 1972 | 79,690 | | 1971 | 78,424 | | 1970 | 77,335 | | 1969 | 76,311 | | 1968 | 75,255 | | 1967 | 74,141 | | 1966 | 73,009 | | 1965 | 71,902 | | 1964 | 70,832 | | 1963 | 69,796 | | 1962 | 68,803 | | 1961 | 67,859 | | 1960 | 66,931 |
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