Year Number 2005-01-01 1412.7093 2006-01-01 1418.8234 2007-01-01 1391.6003 2008-01-01 1298.6205 2009-01-01 1280.9724 2010-01-01 881.6345 2011-01-01 911.1944 2012-01-01 920.7935 2013-01-01 978.9890 2014-01-01 968.6216 2015-01-01 1034.1800 2016-01-01 1224.6495 2017-01-01 1396.0772