Year	Percent Change From Preceding Period
2004-01-01	23.81813679801090
2005-01-01	3.12485011648668
2006-01-01	25.88168481149360
2007-01-01	20.48900057562800
2008-01-01	12.82244150077080
2009-01-01	10.19010492168090
2010-01-01	9.57184277427031
2011-01-01	16.38321019621470
2012-01-01	6.94952808725698
2013-01-01	5.26126300524713
2014-01-01	11.11953554113110
2015-01-01	14.55044872662910
2016-01-01	20.06084850002330
2017-01-01	17.76832016815620
2018-01-01	12.78455823239710
2019-01-01	12.90632590842020