| Year | Value | | 2022 | 122,370 | | 2021 | 124,109 | | 2020 | 125,963 | | 2019 | 127,456 | | 2018 | 128,209 | | 2017 | 128,169 | | 2016 | 127,603 | | 2015 | 126,551 | | 2014 | 125,579 | | 2013 | 125,079 | | 2012 | 124,076 | | 2011 | 122,680 | | 2010 | 121,640 | | 2009 | 120,336 | | 2008 | 118,815 | | 2007 | 118,254 | | 2006 | 118,491 | | 2005 | 118,991 | | 2004 | 120,037 | | 2003 | 121,899 | | 2002 | 124,407 | | 2001 | 127,324 | | 2000 | 130,324 | | 1999 | 132,149 | | 1998 | 131,963 | | 1997 | 130,297 | | 1996 | 127,425 | | 1995 | 123,534 | | 1994 | 119,985 | | 1993 | 117,682 | | 1992 | 116,307 | | 1991 | 115,760 | | 1990 | 116,193 | | 1989 | 116,942 | | 1988 | 117,588 | | 1987 | 118,130 | | 1986 | 118,326 | | 1985 | 118,097 | | 1984 | 117,483 | | 1983 | 116,589 | | 1982 | 115,587 | | 1981 | 114,627 | | 1980 | 113,602 | | 1979 | 112,512 | | 1978 | 111,344 | | 1977 | 110,005 | | 1976 | 108,541 | | 1975 | 107,017 | | 1974 | 105,406 | | 1973 | 104,030 | | 1972 | 103,364 | | 1971 | 103,114 | | 1970 | 102,942 | | 1969 | 102,905 | | 1968 | 102,728 | | 1967 | 102,091 | | 1966 | 101,372 | | 1965 | 100,914 | | 1964 | 100,660 | | 1963 | 100,614 | | 1962 | 100,705 | | 1961 | 100,788 | | 1960 | 100,808 |
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