Year	% (cumulative)
2009	11.4643201828003
2010	12.3660955429077
2011	13.0427541732788
2012	13.3641300201416
2013	13.5938940048218
2014	13.6853704452515
2015	13.7005100250244
2018	14.3854703903198
2019	14.4065704345703