Year | Value | 2014 | 2,818.3372306816 | 2013 | 2,917.3040018877 | 2012 | 2,859.8211726374 | 2011 | 2,946.9570072585 | 2010 | 2,649.6891331771 | 2009 | 2,558.0848766431 | 2008 | 2,644.5261285019 | 2007 | 2,395.8638609349 | 2006 | 2,225.0188422923 | 2005 | 2,169.0956629812 | 2004 | 2,111.3185210563 | 2003 | 1,908.4619241006 | 2002 | 1,953.8156974934 | 2001 | 1,968.0757885529 | 2000 | 1,557.0588235294 |
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