Year Number 2004-01-01 76.92307692 2005-01-01 120.87912090 2006-01-01 131.86813190 2007-01-01 109.89010990 2008-01-01 109.89010990 2009-01-01 164.83516480 2010-01-01 142.85714290 2011-01-01 142.85714290 2012-01-01 142.85714290 2013-01-01 120.87912090 2014-01-01 120.87912090