Year	% (cumulative)
1970	5.5
1980	12.1632699966431
2004	55.0442504882812
2006	51.3532218933105
2010	60.7963714599609
2013	61.4749794006348
2016	65.7432403564453
2018	66.8461685180664
2019	71.2142715454102
2022	73.2133712768555