Year	% (cumulative)
1971	2.09802007675171
1981	4.81923007965088
2001	22.8982391357422
2008	29.5709285736084
2011	26.5999507904053
2016	27.7911605834961
2017	35.9630546569824
2019	32.5764007568359
2021	33.893009185791
