Year	% (cumulative)
1999	98.5665817260742
2007	99.1038665771484
2008	99.1161880493164
2009	99.1300735473633
2010	99.1882476806641
2011	99.1816864013672
2012	99.2060165405273
2013	99.2450714111328
2014	99.2486572265625
2015	99.2140121459961
2016	99.1427230834961
2017	99.2149963378906
2018	99.2113800048828
2019	99.2269515991211
2021	99.6235275268555
2022	99.8075561523438
2023	99.9232788085938