Year	% (cumulative)
1989	58.7837409973145
2000	71.4596633911133
2006	84.9207305908203
2007	85.6972579956055
2008	85.3210983276367
2009	85.6841125488281
2010	86.4620971679688
2011	86.5545501708984
2012	87.2545623779297
2013	88.4385375976562
2014	85.9455490112305
2015	86.5550918579102
2016	86.8937530517578
2017	86.9619216918945
2018	87.6303024291992
2019	88.4075698852539
2020	85.7552032470703
2021	85.8408355712891
2022	86.4714736938477