| Year | Value | | 2014 | 211.43958372395 | | 2013 | 205.26839789371 | | 2012 | 199.71565862453 | | 2011 | 186.89462001109 | | 2010 | 180.70124915446 | | 2009 | 171.0091091563 | | 2008 | 168.96424599106 | | 2007 | 169.44623799647 | | 2006 | 167.18250338072 | | 2005 | 157.15704268428 | | 2004 | 151.01414115572 | | 2003 | 142.69966163193 | | 2002 | 139.84627059989 | | 2001 | 139.90006517169 | | 2000 | 129.95180963781 |
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