Year Percent 1995-01-01 0.32974000000000003 1996-01-01 0.40554600000000000 1997-01-01 1.16997000000000020 1998-01-01 0.60106500000000000 1999-01-01 1.12596000000000000 2000-01-01 0.63960800000000000 2001-01-01 1.35334000000000000 2002-01-01 1.81480999999999980 2003-01-01 4.48160000000000000 2004-01-01 5.08562000000000000 2005-01-01 4.51710000000000000 2006-01-01 10.94170000000000000 2007-01-01 13.07640000000000000 2008-01-01 9.73308999999999900 2009-01-01 10.98470000000000000 2010-01-01 6.94912000000000000 2011-01-01 4.02913000000000000 2012-01-01 3.84135000000000000 2013-01-01 3.93150000000000000 2014-01-01 3.91050000000000000 2015-01-01 10.80270000000000000 2016-01-01 11.41770000000000000