Year	% (cumulative)
1971	4.15630006790161
1981	11.4847202301025
2011	24.4948997497559
2014	21.2148590087891
2017	18.5899658203125
2018	17.5816688537598
2019	21.5156745910645
2020	18.3152828216553
2021	18.4491577148438
2022	36.1646957397461