Year	annual %
2008	2.709936500154612
2009	-11.419841008712737
2010	-1.6499353516559978
2011	3.3601747582218735
2012	-1.4736527352025632
2013	-1.1634110508446014
2014	-1.252620561914938
2015	-0.4554870844439307
2016	-0.4518259799598354
2017	0.9677872144991682
2018	0.8644529074309304
2019	0.9536589059267158