Year	% (cumulative)
1972	42.0337715148926
1982	55.7000007629395
1983	44.2999992370605
2004	95.2245635986328
2006	75.245231628418
2007	82.9994277954102
2009	83.494140625
2010	83.5205764770508
2011	84.3447418212891
2012	84.8392715454102
2013	87.08203125
2014	87.3911590576172
2015	87.8855819702148
2016	89.5679702758789
2017	89.4828186035156
2018	89.1779251098633
2019	89.871940612793
2020	90.5706176757812
2021	90.4493942260742
2022	90.7246170043945
