Year	%
2008	5.9947885892443
2009	22.1397887438421
2010	21.3129447476114
2011	17.6402783873711
2012	14.1140616832463
2013	11.5860323295319
2014	8.1860494113904
2015	4.94956913376007
2016	3.66064619634649
2017	3.17709584415856
2018	2.27014872045055
2019	1.04438547521426
2020	0.96915521153795
2021	0.510408710751457