Year	% (cumulative)
1980	27.239990234375
1996	55.1586990356445
2000	61.20166015625
2005	49.918830871582
2009	70.270378112793
2010	71.3110275268555
2016	76.1040878295898
2017	81.5469131469727
2018	81.8510818481445
2019	78.4325180053711
2020	85.671745300293
2021	86.8067855834961
2022	82.0604019165039