Year	%
2007	10.9439642806736
2008	9.91289346522696
2009	10.2105954684001
2010	11.4926070127833
2011	11.3282656125364
2012	11.0384460809472
2013	11.0653864675177
2014	10.2747346709378
2015	10.8346723535516
2016	11.4566913733892
2017	11.4387899664859
2018	11.6028591501557
2019	11.1880133317311
2020	11.7680557546601
2021	12.1811662512738