Year	Percent Change From Preceding Period
2004-01-01	16.56672019468940
2005-01-01	19.70921017801280
2006-01-01	26.20910664658970
2007-01-01	22.44562433717690
2008-01-01	11.96554761361230
2009-01-01	2.01835246222771
2010-01-01	3.12840843280299
2011-01-01	6.66812303785406
2012-01-01	9.27510861691863
2013-01-01	7.07742298753241
2014-01-01	7.17896274037789
2015-01-01	7.96172810050104
2016-01-01	4.70065112515620
2017-01-01	4.31222017088456