Year Number 2004-01-01 45.6522 2005-01-01 45.6522 2006-01-01 50.0000 2007-01-01 52.1739 2008-01-01 60.8696 2009-01-01 65.2174 2010-01-01 67.3913 2011-01-01 67.3913 2012-01-01 76.0870 2013-01-01 97.8261 2014-01-01 102.1739 2015-01-01 104.3478 2016-01-01 115.2174