Year Number 2004-01-01 300.0366 2005-01-01 349.5473 2006-01-01 345.7906 2007-01-01 623.0472 2008-01-01 679.8853 2009-01-01 715.7932 2010-01-01 847.1013 2011-01-01 935.5929 2012-01-01 1051.9326 2013-01-01 1205.5420 2014-01-01 1295.2915 2015-01-01 1336.4923 2016-01-01 1333.6442