Year	%
2008	0.50936574866239
2009	3.81668671640444
2010	2.42280900203523
2011	1.49105437766406
2012	1.32547589221842
2013	1.27694211466818
2014	1.27782210089718
2015	1.59817495618485
2016	2.31586181233161
2017	2.37168098623647
2018	2.2553221144042
2019	0.764833930030631
2020	0.656687610770611