Year	annual %
2006	32.67474044217025
2007	17.650173999843048
2008	2.4439941934530225
2009	5.1779129858279305
2010	-23.20987405564283
2011	7.885752717966341
2012	11.891885581471556
2013	1.15851020821205
2014	2.1376477912413065
2015	7.244812781179988
2016	-5.282376142451966
2017	-11.21863295817181
2018	-5.126539039487255
2019	-7.560480873081389