Year	Percent
1996-01-01	0.9301480000000000
1997-01-01	1.6502200000000000
1998-01-01	1.3516800000000000
1999-01-01	0.8769510000000000
2000-01-01	0.7144970000000000
2001-01-01	1.2671700000000001
2002-01-01	0.5501720000000000
2003-01-01	1.4927400000000000
2004-01-01	0.5257680000000000
2005-01-01	0.7625660000000000
2006-01-01	1.5435100000000000
2007-01-01	1.8008099999999998
2008-01-01	1.4901500000000000
2009-01-01	1.3483500000000000
2010-01-01	1.3198500000000000
2011-01-01	1.6723700000000001
2012-01-01	1.5783500000000000
2013-01-01	1.6988800000000000
2014-01-01	1.6900300000000000
2015-01-01	1.7334900000000002
2016-01-01	2.8309700000000000