Year	% (cumulative)
1971	12.838210105896
2001	56.6237106323242
2010	28.6577835083008
2011	30.5323314666748
2013	30.2964878082275
2014	30.1681613922119
2015	31.7083187103271
2016	60.0954399108887
2017	61.1702003479004
2018	61.5294494628906
2019	61.4627304077148
2020	63.1803817749023
2021	63.350269317627
2022	63.1539611816406