Year	% (cumulative)
2001	24.658239364624
2006	30.2340698242188
2011	36.8750190734863
2012	35.7899398803711
2014	31.1039905548096
2015	30.2487506866455
2016	32.3097610473633
2017	33.8508911132812
2018	35.2716445922852
2019	35.7563743591309
2020	36.6420288085938