Year Number 2005-01-01 1577.6826 2006-01-01 1559.4425 2007-01-01 1567.5689 2008-01-01 1569.4352 2009-01-01 1567.9628 2010-01-01 1563.7808 2011-01-01 1486.6662 2012-01-01 1406.3541 2013-01-01 1473.4226 2014-01-01 1464.5223 2015-01-01 1389.2742 2016-01-01 1385.3156