Year Number 2004-01-01 1296.1905 2005-01-01 1291.4286 2006-01-01 1299.0476 2007-01-01 1339.0476 2008-01-01 1376.1905 2009-01-01 1369.5238 2010-01-01 1404.7619 2011-01-01 1418.0952 2012-01-01 1404.7619 2013-01-01 1386.6667 2014-01-01 1381.9048 2015-01-01 1367.6190 2016-01-01 1331.4286