Year	Percent Change From Preceding Period
2012-01-01	-0.766266188741578
2013-01-01	4.114127764548480
2014-01-01	-17.502315655966000
2015-01-01	-1.247769787538240
2016-01-01	-10.199565282759900
2017-01-01	-6.146487151906900
2018-01-01	-6.281657598888980
2019-01-01	-4.492327999278700