Year	% (cumulative)
2009	11.6541795730591
2010	14.7841510772705
2011	15.8179292678833
2012	15.7043199539185
2013	16.8037185668945
2014	16.2185192108154
2015	16.7385101318359
2018	17.6607799530029
2019	18.3327503204346