Year	% (cumulative)
1989	80.8568420410156
2004	99.3553314208984
2006	99.0136871337891
2007	99.2042083740234
2008	99.4524536132812
2009	99.4740829467773
2010	99.5851821899414
2011	99.6897201538086
2012	99.7043228149414
2013	99.6540069580078
2014	99.096923828125
2015	99.6539764404297
2016	98.7746353149414
2017	98.6374206542969
2018	100
2019	100
2020	98.8976745605469
2021	98.6869506835938
2022	98.6521301269531