Year Number 2005-01-01 1412.4630 2006-01-01 1588.5134 2007-01-01 1764.7985 2008-01-01 1948.2085 2009-01-01 1978.2154 2010-01-01 1931.7673 2011-01-01 1972.0071 2012-01-01 1972.6276 2013-01-01 1902.0518 2014-01-01 1839.8764 2015-01-01 1750.8194 2016-01-01 1703.4598 2017-01-01 1635.5227