Year	Percent Change From Preceding Period
2004-01-01	17.50240564524740
2005-01-01	15.85077343039130
2006-01-01	8.23908262645305
2007-01-01	8.93258834627386
2008-01-01	16.56008526512120
2009-01-01	9.89999999999966
2010-01-01	7.90000000000034
2011-01-01	7.20000000000001
2012-01-01	7.32799863795011
2013-01-01	7.13985447127261
2014-01-01	7.86200769914123
2015-01-01	21.11187371310910
2016-01-01	7.46911481355547
2017-01-01	6.08521408985447
2018-01-01	8.50000000000000
2019-01-01	8.00000000000000