Year Percent 2001-01-01 110.2000 2002-01-01 130.6000 2003-01-01 214.5000 2004-01-01 276.9000 2005-01-01 23.9000 2006-01-01 18.6000 2007-01-01 14.4000 2008-01-01 25.4000 2009-01-01 41.3000 2010-01-01 44.9143 2011-01-01 43.7163 2012-01-01 34.9678 2013-01-01 28.9281 2014-01-01 25.2061 2015-01-01 29.2120 2016-01-01 28.2464