Year	% (cumulative)
1989	77.6439819335938
2004	99.2038421630859
2006	98.6124267578125
2007	99.1937484741211
2008	99.4350967407227
2009	99.5761108398438
2010	99.5886383056641
2011	99.6531219482422
2012	99.6792602539062
2013	99.6882476806641
2014	98.6916809082031
2015	99.7077713012695
2016	98.3425598144531
2017	98.1951599121094
2018	100
2019	100
2020	98.00244140625
2021	97.8791427612305
2022	98.0880508422852