Year	Percent Change From Preceding Period
2004-01-01	27.7878344022196
2005-01-01	23.2324095802397
2006-01-01	19.5300475842613
2007-01-01	34.4417518723125
2008-01-01	33.1505529206754
2009-01-01	23.9231439771397
2010-01-01	33.8978353357201
2011-01-01	35.6565385847959
2012-01-01	22.9473958506777
2013-01-01	35.0619949907504
2014-01-01	20.6529395696505
2015-01-01	23.6667885900111
2016-01-01	15.2101522559377
2017-01-01	19.7371252909759
2018-01-01	12.5999999999998
2019-01-01	12.5000000000002