Year	% (cumulative)
1970	1.52399003505707
1980	3.66079998016357
2004	12.559700012207
2006	12.4911098480225
2010	11.2159595489502
2013	16.4118003845215
2016	18.0905895233154
2018	18.4375591278076
2019	19.2102203369141
2022	21.1405200958252