Year	% (cumulative)
1989	74.6865310668945
2005	91.0679626464844
2006	91.7395477294922
2007	92.2278366088867
2008	92.8113479614258
2009	93.1426010131836
2010	93.8750228881836
2011	94.512451171875
2012	94.3421630859375
2013	94.919189453125
2014	95.615608215332
2015	96.3573379516602
2016	97.0976181030273
2017	97.2428665161133
2018	97.5661544799805
2019	98.3778228759766
2020	97.9085464477539
2021	98.1472320556641
2022	98.0971374511719