Year	%
2010	30.90359012117363
2011	30.70594581314327
2012	30.52342921692053
2013	30.3805579206423
2014	30.399413638485708
2015	30.233782505120164
2016	30.16756530874614
2017	30.065693771787004
2018	29.830877411792287
2019	29.838546745099652
2020	29.792957924666204
2021	29.88888260548802