Year	% (cumulative)
1989	97.8335189819336
2000	99.2787094116211
2014	99.7722778320312
2015	99.7714462280273
2016	99.7658309936523
2017	99.8027725219727
2018	99.7902069091797
2019	99.7602233886719
2020	99.776496887207
2021	99.8201675415039
2022	99.882698059082