Year Percent 1994-01-01 0.10851700000000000 1995-01-01 0.13594600000000000 1996-01-01 0.20247800000000000 1997-01-01 0.32850500000000000 1998-01-01 0.42891100000000000 1999-01-01 0.48368000000000000 2000-01-01 0.42620399999999997 2001-01-01 0.48113100000000003 2002-01-01 0.54467200000000000 2003-01-01 0.58092900000000000 2004-01-01 0.62557900000000000 2005-01-01 0.70166800000000010 2006-01-01 0.73532300000000000 2007-01-01 0.77028599999999990 2008-01-01 0.73225400000000000 2009-01-01 0.75194700000000000 2010-01-01 0.75398900000000000 2011-01-01 0.73101100000000000 2012-01-01 0.74477700000000000 2013-01-01 0.77020900000000000 2014-01-01 0.80393200000000000 2015-01-01 0.87457900000000010 2016-01-01 0.84550900000000010