Year	Percent Change From Preceding Period
2004-01-01	12.06743678321450
2005-01-01	1.07504322412060
2006-01-01	9.00095243834569
2007-01-01	14.69373181003730
2008-01-01	25.67382955643950
2009-01-01	4.62892644276408
2010-01-01	4.08154729481355
2011-01-01	14.85457773398670
2012-01-01	11.84092330997480
2013-01-01	9.01746190536069
2014-01-01	3.74476523000000
2015-01-01	7.13210095333115
2016-01-01	9.49764130303114
2017-01-01	10.54633009115040
2018-01-01	5.31544051058965
2019-01-01	8.97422641033141