Year	Percent
1996-01-01	1.3088500000000000
1997-01-01	0.7904690000000000
1998-01-01	1.1094000000000000
1999-01-01	1.5132400000000000
2000-01-01	2.0225000000000000
2001-01-01	1.4313100000000000
2002-01-01	1.6599099999999998
2003-01-01	1.8429300000000000
2004-01-01	1.6201900000000000
2005-01-01	2.2358500000000000
2006-01-01	2.4864400000000000
2007-01-01	2.7247000000000000
2008-01-01	2.6439800000000000
2009-01-01	2.2012300000000000
2010-01-01	2.2452099999999997
2011-01-01	2.2975500000000000
2012-01-01	2.2392100000000000
2013-01-01	2.1747900000000002
2014-01-01	2.1925300000000000
2015-01-01	2.2339500000000000
2016-01-01	2.5106000000000000