Year	% (cumulative)
1970	41.5732803344727
1974	46.9739303588867
1979	56.4657783508301
1986	63.650520324707
1987	65.1110916137695
1988	66.7121810913086
1989	68.1673889160156
1990	70.1635208129883
1991	71.6393890380859
1992	74.0927429199219
1993	75.8430709838867
1994	77.1383438110352
1995	78.3830871582031
2004	89.03955078125
2005	89.7602233886719
2006	90.4288024902344
2007	91.0252685546875
2008	85.1484603881836
2009	85.8515625
2010	86.5229263305664
2011	87.1917114257812
2012	87.8740997314453
2013	88.5027236938477
2014	89.0860366821289
2015	89.6741561889648
2016	90.251091003418
2017	90.810188293457
2018	95.7392654418945
2019	91.8084030151367
2020	96.4730224609375
2021	94.7414093017578
2022	94.9234924316406