Year	Percent Change From Preceding Period
2012-01-01	-54.053538464545700
2013-01-01	25.172759582444400
2014-01-01	-0.236460517741377
2015-01-01	-3.123245746571920
2016-01-01	-16.385848784102900
2017-01-01	-7.823089317976700
2018-01-01	-6.131982344146520
2019-01-01	-7.477911202904230