Year Measure 2000 908.60882 2001 1117.87293 2002 1112.34734 2003 1170.28928 2004 1176.06425 2005 1140.68696 2006 1143.45847 2007 1179.56864 2008 1267.7421 2009 1381.95738 2010 1405.04089 2011 1411.47292 2012 1311.78374 2013 1292.44285 2014 1213.28357