Year	% (cumulative)
1981	4.90000009536743
2014	20.8325691223145
2015	22.0801601409912
2016	19.7122898101807
2017	23.7866859436035
2018	24.1539192199707
2019	24.4724769592285
2020	25.3812408447266
2021	27.3331069946289
2022	28.3811092376709
