Year	%
2007	3.84787598771217
2008	6.80464776292383
2009	11.461453798379
2010	8.95258546965769
2011	6.98424741091625
2012	5.19116857201251
2013	3.64034786311307
2014	2.89041261906889
2015	2.371720288643
2016	2.22496479931359
2017	1.94939026221768
2018	1.62349995163983
2019	1.77656821835007
2020	2.0074652483311
2021	1.35921924143798