| Year | Value | | 2016 | 148.56753447088 | | 2015 | 140.15199467525 | | 2014 | 132.5758678301 | | 2013 | 124.9484783668 | | 2012 | 118.98761931571 | | 2011 | 112.43154904304 | | 2010 | 100 | | 2009 | 93.944952444676 | | 2008 | 88.254119583824 | | 2007 | 73.257854439301 | | 2006 | 64.744517140064 | | 2005 | 58.852838789187 | | 2004 | 54.955436369308 | | 2003 | 51.292167662525 | | 2002 | 44.102001694978 | | 2001 | 39.289093695301 | | 2000 | 28.348768352565 |
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