Year	% (cumulative)
1971	25.8809509277344
1981	45.3135108947754
2011	80.839241027832
2014	90.0477523803711
2017	85.5863037109375
2018	86.2464981079102
2019	84.3925170898438
2020	84.0156936645508
2021	86.4088668823242
2022	88.8096771240234