Year	% (cumulative)
2001	99.9617385864258
2002	99.9682159423828
2003	99.8011016845703
2004	99.9274063110352
2005	99.9451675415039
2006	99.9711151123047
2007	99.9742431640625
2008	99.9676055908203
2010	99.8725204467773
2012	100
2014	100
2015	99.970588684082
2016	99.9428024291992
2017	99.6995620727539
2018	99.9668502807617
2019	100
2020	99.9535293579102
2021	100