Year	Percent
2006-01-01	0.24890500000000002
2007-01-01	-0.22307700000000000
2008-01-01	-0.22307700000000000
2009-01-01	-0.22307700000000000
2010-01-01	0.39320200000000000
2011-01-01	0.39320200000000000
2012-01-01	-0.34254300000000000