Year	% (cumulative)
1991	9.59595966339111
2001	41.753978729248
2006	80.8215866088867
2007	81.5105133056641
2008	82.736198425293
2009	83.9916687011719
2010	84.2525405883789
2011	84.8493118286133
2012	85.3790512084961
2013	85.9608764648438
2014	85.3176193237305
2015	86.6858291625977
2016	87.3202133178711
2017	87.0716171264648
2018	87.777717590332
2019	87.7003021240234
2020	89.1387252807617
2021	89.8135070800781
2022	90.1811904907227