| Year | Value | | 2013 | 103.62354584649 | | 2012 | 108.2737669717 | | 2011 | 101.84266300756 | | 2010 | 100 | | 2009 | 96.75413326117 | | 2008 | 92.709808511871 | | 2007 | 91.159386294649 | | 2006 | 87.262114447571 | | 2005 | 84.413689630248 | | 2004 | 81.9444382464 | | 2003 | 78.43449994973 | | 2002 | 75.563770812791 | | 2001 | 72.985173862044 | | 2000 | 69.1444788257 |
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