Year	% (cumulative)
1980	21.2766399383545
1996	49.7185287475586
2000	56.4810485839844
2005	46.4972686767578
2009	66.9440002441406
2010	68.2157211303711
2016	74.2072372436523
2017	81.159553527832
2018	81.7991409301758
2019	76.7779769897461
2020	85.3666229248047
2021	86.7577667236328
2022	80.5702362060547