Year	% (cumulative)
2001	23.9990100860596
2006	28.0516109466553
2011	32.8306884765625
2012	31.6352405548096
2014	29.1965999603271
2015	28.1185607910156
2016	30.3901691436768
2017	32.2715148925781
2018	33.6590232849121
2019	33.8276252746582
2020	34.5418395996094