Year	annual % growth
2011	5.167811970919217
2012	13.964147387759354
2013	-0.08475632556400114
2014	7.952230067446763
2015	6.836408458842101
2016	4.2039530137944325
2017	9.213958992173502
2018	1.5371857258718507
2019	-10.418829952550155