Year	% (cumulative)
1989	61.3630294799805
2004	97.300537109375
2005	97.9885101318359
2006	99.1521606445312
2007	97.4385986328125
2008	97.8008728027344
2009	98.2298202514648
2010	98.788330078125
2011	98.7015075683594
2012	98.9533081054688
2013	98.9746170043945
2014	99.2857131958008
2015	99.0803833007812
2016	99.0578994750977
2017	98.7022399902344
2018	98.6780700683594
2019	98.6023635864258
2020	98.8074188232422
2021	98.8349456787109
2022	98.7597427368164