Year | Value | 2021 | 2,786.2924734597 | 2020 | 2,515.6395235334 | 2019 | 2,456.598979836 | 2018 | 2,319.173054085 | 2017 | 2,132.7916811335 | 2016 | 2,107.8711056852 | 2015 | 2,072.1491833472 | 2014 | 1,887.2697929283 | 2013 | 1,632.8910320004 | 2012 | 1,170.8671256931 | 2011 | 1,084.3218545899 | 2010 | 985.41511636791 | 2009 | 1,005.075267889 | 2008 | 1,036.9574611672 | 2007 | 914.30854638972 | 2006 | 878.1966523799 | 2005 | 833.95516263083 | 2004 | 802.40186422816 | 2003 | 764.2020180324 | 2002 | 738.34816973782 | 2001 | 735.5800001574 | 2000 | 736.06345285124 | 1999 | 733.60229545647 | 1998 | 722.23739857852 | 1997 | 740.74962952354 | 1996 | 758.39380399863 | 1995 | 789.77519650125 | 1994 | 785.58003162183 | 1993 | 780.9894112756 | 1992 | 776.1813812417 | 1991 | 743.45259699689 |
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