Year	annual % change
2008	-15.7023082497
2009	15.4470986228
2010	12.834723267827663
2011	18.0372529956186
2012	40.4296897065353
2013	32.2703154359966
2014	-18.4270423527886
2015	-25.1918313022011
2016	25.6141903778848
2017	26.5760439005714
2018	-15.4901116195268
2019	15.7835989472464
2020	-25.4052942693699
2021	7.52588900192868
2022	-0.411405010826804