Year	annual %
2011	21.292831460876485
2012	1.0716681619667554
2013	1.6414985873738175
2014	2.0100763209974843
2015	1.464545876102676
2016	5.845401319125514
2017	2.7280721299019177
2018	1.0092121147878004
2019	0.5844952644076074