Year	% (cumulative)
1991	42.7777290344238
2006	69.4457092285156
2007	66.7223281860352
2008	64.8034591674805
2009	66.0185852050781
2010	68.2999877929688
2011	68.7521591186523
2012	69.5230102539062
2013	71.1669921875
2014	74.5947418212891
2015	74.722297668457
2016	75.1080169677734
2017	73.3224411010742
2018	77.0727462768555
2019	77.3498916625977
2020	78.8112411499023
2021	81.1216125488281
2022	80.9821319580078