Year	Percent
1999-01-01	-12.19400
2000-01-01	-12.98380
2001-01-01	-8.34713
2002-01-01	2.92676
2003-01-01	16.84940
2004-01-01	13.96380
2005-01-01	13.39060
2006-01-01	18.65250
2007-01-01	27.45450
2008-01-01	24.25790
2009-01-01	23.71330
2010-01-01	21.98850
2011-01-01	16.34140
2012-01-01	16.13940
2013-01-01	15.54910
2014-01-01	18.17860
2015-01-01	14.69650
2016-01-01	14.41070