Year Number 2004-01-01 341.4132 2005-01-01 362.8958 2006-01-01 399.9792 2007-01-01 427.4706 2008-01-01 439.2999 2009-01-01 619.0828 2010-01-01 614.1089 2011-01-01 663.7548 2012-01-01 712.1110 2013-01-01 750.9954 2014-01-01 822.5426 2015-01-01 910.2057 2016-01-01 909.3301