Year Number 2007-01-01 1.0539 2008-01-01 0.9728 2009-01-01 6.0397 2010-01-01 5.9992 2011-01-01 3.7292 2012-01-01 3.4455 2013-01-01 3.0401 2014-01-01 4.4183 2015-01-01 4.9453 2016-01-01 9.2825 2017-01-01 7.1747