Year	% (cumulative)
2000	98.9839553833008
2001	98.9895629882812
2002	98.9154052734375
2003	98.8584365844727
2004	98.9768371582031
2005	99.076774597168
2006	98.9970397949219
2007	99.0893402099609
2008	99.2641906738281
2009	99.3815612792969
2010	99.3403472900391
2011	99.4259796142578
2012	99.3837814331055
2013	99.4037780761719
2014	99.4500579833984
2015	99.4325485229492
2016	99.5011901855469
2017	99.4872360229492
2018	99.5157012939453
2019	99.5177536010742
2020	99.6355819702148
2021	99.5346298217773
2022	99.4474487304688