Year	Percent Change From Preceding Period
2004-01-01	48.551965333835500
2005-01-01	60.705994384453000
2006-01-01	59.850925252962700
2007-01-01	49.421436391147100
2008-01-01	104.566124157690000
2009-01-01	21.475680880004700
2010-01-01	5.287800928088110
2011-01-01	37.146956029168600
2012-01-01	4.898187445236800
2013-01-01	14.146595646458200
2014-01-01	16.189197247202800
2015-01-01	11.776313427523600
2016-01-01	14.302694700127100
2017-01-01	-0.109915766601731
2018-01-01	17.369428673096900
2019-01-01	24.997862295413300