Year Percent 1999-01-01 0.22346300000000002 2000-01-01 0.55530200000000010 2001-01-01 0.66308800000000000 2002-01-01 0.57655100000000000 2003-01-01 0.71881000000000010 2004-01-01 0.67554300000000000 2005-01-01 1.03853000000000000 2006-01-01 8.57060000000000000 2007-01-01 9.73987000000000000 2008-01-01 2.94014000000000000 2009-01-01 3.89061999999999970 2010-01-01 2.54059000000000030 2011-01-01 1.46118000000000000 2012-01-01 1.64215000000000000 2013-01-01 1.44288000000000000 2014-01-01 1.39554000000000000 2015-01-01 0.80861500000000000 2016-01-01 1.25096000000000000