Year Percent 1995-01-01 0.8717870000000001 1996-01-01 0.5988540000000000 1997-01-01 0.9583510000000001 1998-01-01 1.0895900000000000 1999-01-01 1.1941200000000000 2000-01-01 1.1220500000000000 2001-01-01 1.2060899999999999 2002-01-01 1.0037300000000000 2003-01-01 0.9230940000000001 2004-01-01 0.7681020000000001 2005-01-01 0.8580899999999999 2006-01-01 1.3471899999999999 2007-01-01 3.6230400000000000 2008-01-01 2.3474100000000000 2009-01-01 5.7489300000000005 2010-01-01 3.4601599999999997 2011-01-01 3.8349000000000000 2012-01-01 9.5201200000000000 2013-01-01 11.0574000000000000