Year	% (cumulative)
1980	14.1850595474243
1990	29.7000598907471
2000	37.3499984741211
2002	38.5
2004	42.939998626709
2005	45.3649787902832
2006	45.0900001525879
2007	49.1021881103516
2008	46.0299987792969
2009	51.7892913818359
2010	49.8499984741211
2012	52.9000015258789
2013	54.8283004760742
2014	55.3400001525879
2015	58.0607986450195
2016	58.9199981689453
2017	60.2905693054199
2018	61.4500007629395
2020	63.7000007629395
2022	65.3199996948242