Year	% (cumulative)
1971	11.3434295654297
1981	32.5370903015137
2011	76.6185684204102
2014	88.8499603271484
2017	82.1810989379883
2018	83.1742324829102
2019	82.8056869506836
2020	83.0430068969727
2021	85.2126922607422
2022	86.0491180419922