Year	annual %
2011	8.050769655799357
2012	6.234675351255476
2013	3.548400190424104
2014	1.7096145739189552
2015	-0.940141182460124
2016	2.6313597390403203
2017	-1.062840554716857
2018	1.7821661193974592
2019	2.1350811551663895