Year | Value | 2021 | 153,500 | 2020 | 153,500 | 2019 | 153,500 | 2018 | 153,500 | 2017 | 153,500 | 2016 | 153,500 | 2015 | 153,500 | 2014 | 153,500 | 2013 | 153,550 | 2012 | 153,550 | 2011 | 153,510 | 2010 | 153,510 | 2009 | 153,850 | 2008 | 153,850 | 2007 | 153,850 | 2006 | 153,850 | 2005 | 153,850 | 2004 | 153,850 | 2003 | 154,500 | 2002 | 154,500 | 2001 | 154,500 | 2000 | 154,500 | 1999 | 154,500 | 1998 | 154,500 | 1997 | 156,660 | 1996 | 156,660 | 1995 | 155,150 | 1994 | 154,750 | 1993 | 154,650 | 1992 | 154,650 | 1991 | 154,600 | 1990 | 154,550 | 1989 | 154,450 | 1988 | 154,400 | 1987 | 154,400 | 1986 | 154,350 | 1985 | 154,270 | 1984 | 154,150 | 1983 | 154,050 | 1982 | 152,920 | 1981 | 151,850 | 1980 | 150,800 | 1979 | 148,750 | 1978 | 146,730 | 1977 | 144,650 | 1976 | 142,580 | 1975 | 140,550 | 1974 | 138,480 | 1973 | 136,450 | 1972 | 134,380 | 1971 | 132,350 | 1970 | 130,250 | 1969 | 128,200 | 1968 | 126,150 | 1967 | 124,050 | 1966 | 122,030 | 1965 | 119,950 | 1964 | 117,930 | 1963 | 115,850 | 1962 | 113,830 | 1961 | 111,700 |
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