Year	% (cumulative)
1991	67.9149780273438
1998	98.0878524780273
1999	98.1486358642578
2000	98.881477355957
2001	99.0855560302734
2002	99.2408599853516
2003	99.475471496582
2004	99.6645812988281
2005	99.6969299316406
2006	99.7791290283203
2007	99.7883224487305
2008	99.7928619384766
2009	99.7891006469727
2010	99.8228225708008
2011	99.8156204223633
2012	99.8166580200195
2013	99.7996520996094
2014	99.8154830932617
2015	99.8076629638672
2016	99.8044586181641
2017	99.8279190063477
2018	99.8092651367188
2019	99.8096313476562
2020	99.8262023925781
2021	99.8459625244141
2022	99.1881484985352