Year Number 2004-01-01 104.5966 2005-01-01 97.9719 2006-01-01 140.6054 2007-01-01 153.3163 2008-01-01 587.5499 2009-01-01 669.6614 2010-01-01 665.2130 2011-01-01 671.2916 2012-01-01 685.3096 2013-01-01 789.5331 2014-01-01 967.7408 2015-01-01 1104.8562 2016-01-01 1111.1573