Year	% (cumulative)
1970	44.8059883117676
1975	52.1810111999512
1980	58.6215286254883
2000	79.5582427978516
2004	79.8596115112305
2010	80.8125381469727
2013	82.4901962280273
2017	82.2983016967773
2019	80.2336807250977
2020	83.5328979492188
2021	83.6290893554688
2022	84.1670989990234