Year	Percent
1999-01-01	3.352849007
2000-01-01	2.143997669
2001-01-01	2.244403362
2002-01-01	1.988220334
2003-01-01	0.312363207
2004-01-01	2.069521189
2005-01-01	1.089898467
2006-01-01	0.648751676
2007-01-01	0.793245196
2008-01-01	0.835224211
2009-01-01	0.014680593
2010-01-01	0.267076194
2011-01-01	0.007341196
2012-01-01	-0.631000161
2013-01-01	-0.265245765