Year	Percent Change From Preceding Period
2004-01-01	7.85159620362381
2005-01-01	12.32000000000000
2006-01-01	18.51851851851850
2007-01-01	18.42422232175720
2008-01-01	39.24516181492720
2009-01-01	7.13796212662686
2010-01-01	14.56355221680660
2011-01-01	35.91928919445050
2012-01-01	15.00000000000000
2013-01-01	7.65217391304361
2014-01-01	7.11381420417863
2015-01-01	10.02774906583830
2016-01-01	6.67442715011428
2017-01-01	13.62837963036100
2018-01-01	10.49997207504430
2019-01-01	8.00033356417358