| Year | Value | | 2021 | 1,909.6189293073 | | 2020 | 1,689.7871672541 | | 2019 | 1,476.2785764358 | | 2018 | 1,424.1068579056 | | 2017 | 1,277.3363520856 | | 2016 | 1,110.032372609 | | 2015 | 910.15891866218 | | 2014 | 1,278.1025750223 | | 2013 | 969.95998094496 | | 2012 | 1,196.3210652565 | | 2011 | 1,161.2650022267 | | 2010 | 986.34366096276 | | 2009 | 951.1853635659 | | 2008 | 959.72814585947 | | 2007 | 789.25046668836 | | 2006 | 768.95729890689 | | 2005 | 715.77101926757 | | 2004 | 604.59195244726 | | 2003 | 543.99587794933 | | 2002 | 460.94766930921 | | 2001 | 421.8109987243 |
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