Year	% (cumulative)
1986	41.8145484924316
1990	62.8882293701172
1991	47.7025108337402
1992	65.3673934936523
1993	67.2070770263672
1994	67.6769256591797
1995	68.5245132446289
1996	69.8582000732422
1997	70.9695587158203
1998	71.7848281860352
1999	72.7230987548828
2000	73.9130172729492
2001	63.4517784118652
2002	75.993522644043
2003	77.3124771118164
2004	77.8134307861328
2005	78.928840637207
2006	79.1220779418945
2007	80.3800811767578
2008	81.2212295532227
2009	81.8024291992188
2010	82.740104675293
2011	82.7405090332031
2012	83.6721343994141
2013	84.4204788208008
2014	84.9180297851562
2015	85.2960510253906
2016	84.8873825073242
2017	86.8992004394531
2018	87.6266632080078
2019	87.792594909668
2020	88.501350402832
2021	87.1163787841797
2022	89.6388778686523
2023	90.0509567260742