Year	Percent
1996-01-01	6.964620000000000
1997-01-01	14.311600000000000
1998-01-01	6.085220000000000
1999-01-01	13.239500000000000
2000-01-01	17.930300000000000
2001-01-01	-5.958220000000000
2002-01-01	2.730860000000000
2003-01-01	8.915460000000001
2004-01-01	17.262300000000000
2005-01-01	10.502700000000000
2006-01-01	10.597900000000000
2007-01-01	14.482500000000000
2008-01-01	9.407750000000000
2009-01-01	8.169930000000000
2010-01-01	7.444350000000000
2011-01-01	8.751300000000000
2012-01-01	10.265900000000000
2013-01-01	8.680780000000000
2014-01-01	9.197239999999999
2015-01-01	8.518250000000000
2016-01-01	2.684520000000000