Year	% (cumulative)
1991	53.5497016906738
2005	94.2979888916016
2006	94.9931411743164
2007	94.9556884765625
2008	95.1745910644531
2009	95.5970611572266
2010	95.4296875
2011	96.017951965332
2012	96.8689804077148
2013	97.1484069824219
2014	97.5927124023438
2015	98.1058120727539
2016	97.6204681396484
2017	97.7727813720703
2018	97.8873748779297
2019	98.171012878418
2020	98.5468978881836
2021	98.7359466552734
2022	98.6029815673828