Year	Percent Change
2004-01-01	1.05581874
2005-01-01	11.17518328
2006-01-01	5.55373689
2007-01-01	13.74216159
2008-01-01	3.61082594
2009-01-01	21.02040728
2010-01-01	8.43281671
2011-01-01	6.11330700
2012-01-01	12.47301306
2013-01-01	3.06112038
2014-01-01	3.54830410
2015-01-01	4.81504673