Year	annual % growth
2011	7.49655878304452
2012	13.620842499261258
2013	6.608776061608694
2014	-0.8185945652910505
2015	-1.5113212445853463
2016	0.6285119667013532
2017	2.0254246635782067
2018	6.264393151073705
2019	7.689448822174128