Year	% (cumulative)
1970	32.2137413024902
1985	30.0558490753174
2001	57.9290618896484
2002	63.3525886535645
2003	66.8428192138672
2004	66.1093521118164
2005	68.1319274902344
2006	69.0271835327148
2007	69.3009796142578
2008	70.9078216552734
2009	74.3040771484375
2010	74.5342025756836
2011	74.6776809692383
2012	77.255989074707
2013	70.7650680541992
2014	78.1802673339844
2015	79.1177062988281
2016	68.3145217895508
2017	73.6294326782227
2018	74.9896392822266
2019	87.6662216186523
2020	80.4325103759766
2021	84.8806228637695
2022	78.2090301513672