Year	Percent
1995-01-01	5.9343100000000000
1996-01-01	6.6207899999999995
1997-01-01	7.1820600000000010
1998-01-01	6.5025900000000005
1999-01-01	7.5320199999999990
2000-01-01	8.0327300000000000
2001-01-01	7.9096500000000000
2002-01-01	9.5850700000000000
2003-01-01	11.7229000000000000
2004-01-01	11.3484000000000000
2005-01-01	9.9519600000000000
2006-01-01	11.4529000000000000
2007-01-01	8.4273800000000000
2008-01-01	8.8978700000000000
2009-01-01	8.7815000000000000
2010-01-01	9.7922200000000000
2011-01-01	9.1522100000000000
2012-01-01	8.7154899999999990
2013-01-01	8.0380200000000000
2014-01-01	9.1486800000000000
2015-01-01	11.5594000000000000
2016-01-01	12.3675000000000000