Year Number 2007-01-01 86.0565 2008-01-01 93.4914 2009-01-01 131.8591 2010-01-01 184.1785 2011-01-01 211.2531 2012-01-01 345.2157 2013-01-01 367.6749 2014-01-01 372.4318 2015-01-01 375.8401 2016-01-01 522.4508 2017-01-01 522.0615