Year	Percent Change From Preceding Period
2004-01-01	6.90461227021096
2005-01-01	-6.60262778027845
2006-01-01	19.42042232308860
2007-01-01	7.47975201436146
2008-01-01	8.62526320218945
2009-01-01	10.98986238832830
2010-01-01	13.46674291605590
2011-01-01	24.14447477110080
2012-01-01	4.75307818396676
2013-01-01	11.74523173777170
2014-01-01	18.70230188439610
2015-01-01	19.85160677028680
2016-01-01	17.55830469172940
2017-01-01	7.35127893833466