Year Percent 2004-01-01 95.20000000000000 2005-01-01 95.20000000000000 2006-01-01 45.60000000000000 2007-01-01 77.20000000000000 2008-01-01 29.20000000000000 2009-01-01 28.70000000000000 2010-01-01 96.37090000000000 2011-01-01 110.01500000000000 2012-01-01 105.07700000000001 2013-01-01 106.95200000000001 2014-01-01 94.33200000000001 2015-01-01 80.95630000000000 2016-01-01 0.00000000000000