Year Percent 1995-01-01 1.18218000000000000 1996-01-01 2.24040000000000000 1997-01-01 2.09796000000000000 1998-01-01 3.77020000000000000 1999-01-01 3.89310000000000000 2000-01-01 5.00272000000000000 2001-01-01 3.99902000000000000 2002-01-01 4.45582000000000000 2003-01-01 3.66759000000000000 2004-01-01 3.10572000000000030 2005-01-01 2.06391000000000000 2006-01-01 1.35935000000000000 2007-01-01 0.75417400000000000 2008-01-01 0.60712200000000000 2009-01-01 0.68223000000000000 2010-01-01 0.62651400000000000 2011-01-01 0.28920000000000000 2012-01-01 0.31144499999999997 2013-01-01 3.99376000000000000 2014-01-01 4.36979000000000000 2015-01-01 5.15411000000000000 2016-01-01 4.82970000000000000