Year	Percent Change
2004-01-01	5.46096975
2005-01-01	7.21854556
2006-01-01	4.33112391
2007-01-01	-3.57337844
2008-01-01	-0.45417826
2009-01-01	-7.69625409
2010-01-01	3.96624473
2011-01-01	-72.00000000
2012-01-01	211.39842300
2013-01-01	-31.59655675
2014-01-01	-53.71038180
2015-01-01	-14.61186389