Year Percent 1995-01-01 1.50510000000000000 1996-01-01 2.35285000000000000 1997-01-01 3.28080000000000000 1998-01-01 5.34641000000000000 1999-01-01 6.32475000000000000 2000-01-01 7.88498000000000050 2001-01-01 5.31108000000000050 2002-01-01 4.35963000000000000 2003-01-01 4.01248000000000000 2004-01-01 1.71826000000000000 2005-01-01 1.09762000000000000 2006-01-01 1.02322999999999990 2007-01-01 0.92043100000000000 2008-01-01 1.03114000000000000 2009-01-01 1.59913000000000000 2010-01-01 0.39629899999999996 2011-01-01 0.35496700000000003 2012-01-01 0.40877300000000000 2013-01-01 0.35979700000000000