Year	Percent Change From Preceding Period
2004-01-01	13.69524984577460
2005-01-01	16.56084185021700
2006-01-01	10.13788430659640
2007-01-01	7.52324598478430
2008-01-01	9.94496855345920
2009-01-01	7.57954951734004
2010-01-01	6.27048287518450
2011-01-01	9.79839399048389
2012-01-01	34.57704357732840
2013-01-01	23.50000000000000
2014-01-01	24.15223677320470
2015-01-01	24.85490499699730
2016-01-01	19.96908454547730
2017-01-01	7.06087963302094
2018-01-01	8.96400102000700
2019-01-01	7.78150789984497