Year	% (cumulative)
1991	58.3417587280273
1998	97.4424285888672
1999	97.4755477905273
2000	98.4435729980469
2001	98.775276184082
2002	99.016975402832
2003	99.3479232788086
2004	99.5884704589844
2005	99.6903305053711
2006	99.7621917724609
2007	99.7779998779297
2008	99.8139877319336
2009	99.783447265625
2010	99.7743301391602
2011	99.837272644043
2012	99.8763427734375
2013	99.8353805541992
2014	99.8148803710938
2015	99.8251495361328
2016	99.8330307006836
2017	99.8827972412109
2018	99.8800888061523
2019	99.8369369506836
2020	99.8430404663086
2021	99.86962890625
2022	98.9953002929688