Year	% (cumulative)
2006	98.9276428222656
2007	98.8262557983398
2008	98.9530715942383
2009	99.7685623168945
2010	99.8078689575195
2011	99.8556365966797
2012	99.8083190917969
2013	99.8322906494141
2014	99.8598480224609
2015	98.7090759277344
2016	98.4516983032227
2017	100
2018	98.5149765014648
2019	98.5047149658203
2020	100
2021	100