Year	% (cumulative)
1971	0.179829999804497
1980	0.358119994401932
1990	1.42516005039215
2006	7.90011978149414
2007	3.50447010993958
2008	3.56750988960266
2009	6.90687990188599
2011	7.52993011474609
2012	7.86779451370239
2013	8.30943584442139
2014	8.48069000244141
2015	8.89855003356934
2016	9.15911960601807
2017	10.9538106918335
2018	9.91442966461182
2019	11.6072549819946
2020	11.1285400390625
2021	12.7075433731079
2022	12.7986068725586