Year	%
2009	10.4864062831784
2010	9.50393611887601
2011	8.54144378847603
2012	6.21245513449301
2013	7.26079589253585
2014	6.20788397259295
2015	6.91745044731219
2016	6.21559255247132
2017	6.50251723428062
2018	6.20194384933339
2019	4.24107106191948
2020	4.01829638034386
2021	5.14185685831727