Year Percent 1999-01-01 0.342786000000000040 2000-01-01 0.342786000000000040 2001-01-01 0.342786000000000040 2002-01-01 0.342786000000000040 2003-01-01 0.017569000000000000 2004-01-01 0.009689000000000000 2005-01-01 0.008901000000000001 2006-01-01 0.007422000000000000 2007-01-01 0.006479000000000000 2008-01-01 0.005098000000000000 2009-01-01 0.005098000000000000 2010-01-01 0.005098000000000000 2011-01-01 0.005098000000000000 2012-01-01 0.005098000000000000 2013-01-01 0.005098000000000000 2014-01-01 3.141200000000000000 2015-01-01 3.198070000000000000 2016-01-01 2.986120000000000000