Year Percent 2000-01-01 0.1217430000000000 2001-01-01 0.3457090000000000 2002-01-01 0.3533120000000000 2003-01-01 1.2546100000000000 2004-01-01 0.7370280000000000 2005-01-01 0.5174420000000000 2006-01-01 0.5223780000000000 2007-01-01 0.6505900000000000 2008-01-01 0.6098330000000000 2009-01-01 0.7681770000000000 2010-01-01 0.5034890000000001 2011-01-01 0.5088410000000000 2012-01-01 0.7939450000000000 2013-01-01 0.9499420000000000 2014-01-01 0.8746980000000000 2015-01-01 1.5439200000000002