Year	% (cumulative)
1986	36.7000007629395
2004	54.0936698913574
2007	63.9134712219238
2008	66.1779403686523
2009	63.4122695922852
2010	50.864330291748
2011	52.5820198059082
2012	60.4630508422852
2013	69.4875106811523
2014	68.3760681152344
2015	66.1344985961914
2016	67.4963607788086
2017	68.0085525512695
2018	69.6281661987305
2019	69.8648223876953
2020	71.8656616210938
2021	72.6107788085938
2022	73.7078399658203