| Year | Value | | 2022 | 133,534 | | 2021 | 135,666 | | 2020 | 137,999 | | 2019 | 140,277 | | 2018 | 142,040 | | 2017 | 142,881 | | 2016 | 142,535 | | 2015 | 141,158 | | 2014 | 139,450 | | 2013 | 137,738 | | 2012 | 136,353 | | 2011 | 135,409 | | 2010 | 133,691 | | 2009 | 132,200 | | 2008 | 131,527 | | 2007 | 130,064 | | 2006 | 127,696 | | 2005 | 124,627 | | 2004 | 121,652 | | 2003 | 119,730 | | 2002 | 117,440 | | 2001 | 117,447 | | 2000 | 121,481 | | 1999 | 125,761 | | 1998 | 129,469 | | 1997 | 130,794 | | 1996 | 129,273 | | 1995 | 127,258 | | 1994 | 125,783 | | 1993 | 124,420 | | 1992 | 122,964 | | 1991 | 122,666 | | 1990 | 123,122 | | 1989 | 124,022 | | 1988 | 125,566 | | 1987 | 126,993 | | 1986 | 127,569 | | 1985 | 127,169 | | 1984 | 126,083 | | 1983 | 124,984 | | 1982 | 123,658 | | 1981 | 121,992 | | 1980 | 121,052 | | 1979 | 120,434 | | 1978 | 120,361 | | 1977 | 120,788 | | 1976 | 120,253 | | 1975 | 119,543 | | 1974 | 118,424 | | 1973 | 116,777 | | 1972 | 116,907 | | 1971 | 116,141 | | 1970 | 113,545 | | 1969 | 111,346 | | 1968 | 109,059 | | 1967 | 106,879 | | 1966 | 105,249 | | 1965 | 103,656 | | 1964 | 101,532 | | 1963 | 99,290 | | 1962 | 96,940 | | 1961 | 94,722 | | 1960 | 93,258 |
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