Year	% (cumulative)
1971	10.1656799316406
1991	35.7000007629395
2001	66.2770767211914
2010	63.8701705932617
2016	71.9618072509766
2017	73.5513076782227
2018	83.0292129516602
2020	87.3726425170898
2022	84.4651184082031