Year | Value | 2021 | 69,403.891250063 | 2020 | 58,637.744946452 | 2019 | 72,743.715275389 | 2018 | 72,680.864635143 | 2017 | 68,899.205468937 | 2016 | 63,145.25903602 | 2015 | 59,497.132541755 | 2014 | 55,736.262674228 | 2013 | 50,908.679735262 | 2012 | 46,926.033379597 | 2011 | 45,714.257834935 | 2010 | 44,828.075763851 | 2009 | 37,854.25 | 2008 | 35,760.026 | 2007 | 31,258.212 | 2006 | 26,363.438 | 2005 | 24,789.264 | 2004 | 22,970.633 | 2003 | 18,993.573 | 2002 | 17,266.838 | 2001 | 15,699.61 | 2000 | 15,890.62 | 1999 | 13,733.099871799 | 1998 | 12,682.699911937 | 1997 | 12,267.400079504 | 1996 | 10,434.099942252 | 1995 | 10,034.500114732 | 1994 | 9,212.7998662968 | 1993 | 8,171.3001179992 | 1992 | 6,682.0000765472 | 1991 | 5,729.9999416468 | 1990 | 5,138.3000259995 | 1989 | 4,809.5000053048 | 1988 | 4,477.1999962928 | 1987 | 4,047.3999882341 | 1986 | 3,447.5000098347 | 1985 | 3,230.6000213475 | 1984 | 3,311.6000566629 | 1983 | 2,920.799963534 | 1982 | 2,724.6000331197 | 1981 | 2,466.2000325917 | 1980 | 2,295.6999890803 | 1979 | 2,196.8000304698 | 1978 | 2,016.999969259 | 1977 | 1,833.4999913724 | 1976 | 1,727.7000164912 | 1975 | 1,491.1999902874 | 1974 | 1,325.1999913008 |
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