Year	% (cumulative)
1971	12.9807500839233
1991	35.4000015258789
2001	68.3372268676758
2010	54.8962707519531
2016	69.2239532470703
2017	72.3471069335938
2018	79.9361190795898
2020	82.0465087890625
2022	83.0343933105469