| Year | Value | | 2022 | 130,424 | | 2021 | 129,842 | | 2020 | 128,787 | | 2019 | 127,748 | | 2018 | 127,126 | | 2017 | 125,882 | | 2016 | 124,150 | | 2015 | 122,680 | | 2014 | 120,829 | | 2013 | 118,607 | | 2012 | 117,111 | | 2011 | 116,045 | | 2010 | 114,897 | | 2009 | 114,522 | | 2008 | 115,374 | | 2007 | 117,081 | | 2006 | 119,678 | | 2005 | 123,042 | | 2004 | 125,901 | | 2003 | 127,186 | | 2002 | 127,139 | | 2001 | 125,880 | | 2000 | 123,220 | | 1999 | 120,203 | | 1998 | 118,032 | | 1997 | 116,616 | | 1996 | 115,663 | | 1995 | 115,547 | | 1994 | 115,898 | | 1993 | 116,192 | | 1992 | 116,421 | | 1991 | 116,302 | | 1990 | 115,736 | | 1989 | 114,774 | | 1988 | 113,447 | | 1987 | 111,940 | | 1986 | 110,472 | | 1985 | 108,890 | | 1984 | 107,213 | | 1983 | 105,535 | | 1982 | 103,831 | | 1981 | 102,210 | | 1980 | 100,800 | | 1979 | 99,499 | | 1978 | 98,390 | | 1977 | 97,799 | | 1976 | 97,511 | | 1975 | 97,355 | | 1974 | 97,426 | | 1973 | 97,579 | | 1972 | 97,605 | | 1971 | 97,692 | | 1970 | 98,014 | | 1969 | 98,483 | | 1968 | 98,971 | | 1967 | 99,435 | | 1966 | 99,895 | | 1965 | 100,347 | | 1964 | 100,780 | | 1963 | 101,193 | | 1962 | 101,510 | | 1961 | 101,632 | | 1960 | 101,525 |
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