Year	% (cumulative)
1970	35.5833511352539
1985	32.4229888916016
2001	60.3243103027344
2002	67.0352172851562
2003	68.6801376342773
2004	69.9942932128906
2005	69.9786911010742
2006	70.8606109619141
2007	72.3064804077148
2008	71.9564514160156
2009	75.8678436279297
2010	76.5491485595703
2011	77.9238815307617
2012	79.5072174072266
2013	79.1307067871094
2014	80.6130065917969
2015	80.8907470703125
2016	76.456901550293
2017	84.8290786743164
2018	82.7149505615234
2019	74.7251205444336
2020	87.7143096923828
2021	87.0188598632812
2022	86.0569305419922