Year	% (cumulative)
1991	44.8275909423828
2005	99.1071472167969
2006	99.0801620483398
2007	98.6962203979492
2008	98.7560806274414
2009	98.9623870849609
2010	98.8597412109375
2011	99.3347015380859
2012	99.6904296875
2013	99.7471618652344
2014	99.7548446655273
2015	99.7806930541992
2016	99.795768737793
2017	99.7783813476562
2018	99.6875915527344
2019	99.7558364868164
2020	99.7668762207031
2021	99.6871490478516
2022	99.7306213378906