| Year | Value | | 2022 | 106,858 | | 2021 | 106,017 | | 2020 | 105,254 | | 2019 | 104,951 | | 2018 | 105,150 | | 2017 | 105,415 | | 2016 | 105,707 | | 2015 | 106,122 | | 2014 | 106,626 | | 2013 | 107,089 | | 2012 | 107,502 | | 2011 | 107,611 | | 2010 | 107,383 | | 2009 | 107,144 | | 2008 | 106,932 | | 2007 | 106,638 | | 2006 | 106,190 | | 2005 | 105,633 | | 2004 | 105,036 | | 2003 | 104,410 | | 2002 | 103,804 | | 2001 | 103,210 | | 2000 | 102,603 | | 1999 | 101,982 | | 1998 | 101,343 | | 1997 | 100,658 | | 1996 | 100,195 | | 1995 | 99,977 | | 1994 | 99,731 | | 1993 | 99,492 | | 1992 | 99,260 | | 1991 | 99,010 | | 1990 | 98,727 | | 1989 | 98,379 | | 1988 | 97,939 | | 1987 | 97,392 | | 1986 | 97,078 | | 1985 | 97,055 | | 1984 | 97,022 | | 1983 | 96,981 | | 1982 | 96,931 | | 1981 | 96,846 | | 1980 | 96,708 | | 1979 | 96,506 | | 1978 | 96,227 | | 1977 | 95,847 | | 1976 | 94,921 | | 1975 | 93,477 | | 1974 | 92,007 | | 1973 | 90,611 | | 1972 | 89,275 | | 1971 | 87,904 | | 1970 | 86,484 | | 1969 | 84,997 | | 1968 | 83,430 | | 1967 | 81,725 | | 1966 | 79,794 | | 1965 | 77,686 | | 1964 | 75,544 | | 1963 | 73,441 | | 1962 | 71,388 | | 1961 | 69,391 | | 1960 | 67,428 |
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