Year | Value | 2021 | 46,004.645648 | 2020 | 40,793.094662 | 2019 | 42,498.262662 | 2018 | 42,985.299596 | 2017 | 41,591.551767 | 2016 | 38,657.919041 | 2015 | 37,866.224512 | 2014 | 38,225.196088945 | 2013 | 37,113.558921601 | 2012 | 39,111.340377691 | 2011 | 39,621.913535045 | 2010 | 39,353.2561 | 2009 | 35,097.670654396 | 2008 | 39,313.596 | 2007 | 40,617.739 | 2006 | 39,881.895 | 2005 | 37,357.644 | 2004 | 37,450.121 | 2003 | 34,205.554 | 2002 | 29,554.684 | 2001 | 27,924.568 | 2000 | 30,171.975 | 1999 | 27,292.19921875 | 1998 | 25,757.900390625 | 1997 | 25,478.80078125 | 1996 | 21,676.400390625 | 1995 | 19,622.900390625 | 1994 | 19,083.80078125 | 1993 | 16,343 | 1992 | 15,617.599609375 | 1991 | 14,486.200195312 | 1990 | 14,791.400390625 | 1989 | 14,651 | 1988 | 13,875.599609375 | 1987 | 12,023.200195312 | 1986 | 10,619 | 1985 | 9,672.2001953125 | 1984 | 10,293.099609375 | 1983 | 9,284.5 | 1982 | 8,295.7998046875 | 1981 | 8,606.900390625 | 1980 | 8,615.400390625 | 1979 | 8,658.099609375 | 1978 | 8,406.7998046875 | 1977 | 7,920.6000976563 | 1976 | 7,438.2001953125 | 1975 | 6,999.6000976563 | 1974 | 7,255.3999023438 | 1973 | 7,060.1000976563 | 1972 | 6,283 | 1971 | 5,540.7998046875 | 1970 | 5,151.2001953125 |
|