Year Number 2008-01-01 1335.7118 2009-01-01 1402.2898 2010-01-01 1455.0796 2011-01-01 1463.4590 2012-01-01 1894.0293 2013-01-01 1535.5076 2014-01-01 1615.9053 2015-01-01 1569.1915 2016-01-01 1535.0800