Year	Percent
1996-01-01	13.9389000000000000
1997-01-01	13.9389000000000000
1998-01-01	-81.5098000000000000
1999-01-01	-90.7359000000000000
2000-01-01	-90.7359000000000000
2001-01-01	26.8917000000000000
2002-01-01	4.1864300000000005
2003-01-01	11.5592000000000000
2004-01-01	17.0524000000000000
2005-01-01	15.9492000000000000
2006-01-01	8.8177500000000000
2007-01-01	1.9369500000000000
2008-01-01	9.7255700000000000
2009-01-01	10.1464000000000000
2010-01-01	11.6211000000000000
2011-01-01	10.7507000000000000
2012-01-01	11.7465000000000000
2013-01-01	12.3291000000000000
2014-01-01	12.1356000000000000
2015-01-01	9.5283000000000000
2016-01-01	9.2819600000000000