Year	Percent
1996-01-01	13.2490000000000000
1997-01-01	11.9845000000000000
1998-01-01	10.9754000000000000
1999-01-01	9.9628700000000000
2000-01-01	9.6521100000000000
2001-01-01	10.9198000000000000
2002-01-01	11.1388000000000000
2003-01-01	14.9503000000000000
2004-01-01	13.1610000000000000
2005-01-01	14.9886000000000000
2006-01-01	16.6866000000000000
2007-01-01	13.1949000000000000
2008-01-01	-1.9151400000000000
2009-01-01	-5.4106200000000000
2010-01-01	3.3953900000000004
2011-01-01	1.3732000000000000
2012-01-01	2.9383000000000000
2013-01-01	4.9966599999999990
2014-01-01	3.7694099999999997
2015-01-01	7.2567300000000000
2016-01-01	9.5891300000000000