Year	annual % growth
2011	17.814758491112585
2012	9.4196461144264
2013	1.2267221577340308
2014	-5.534403987511368
2015	-24.329379561329162
2016	-4.974758950052163
2017	12.45193753580152
2018	8.628172626488535
2019	-0.6127372844354824