Year	% (cumulative)
1975	9.04734039306641
1980	12.3000001907349
1985	15.439920425415
2004	28.9969692230225
2005	30.5533294677734
2006	31.7194004058838
2007	32.3178291320801
2008	34.9197311401367
2009	36.4313812255859
2010	46.585880279541
2011	49.7481307983398
2012	51.1371307373047
2013	52.6753196716309
2014	54.9677581787109
2015	56.3549003601074
2016	58.8644409179688
2017	60.8933181762695
2018	46.2811813354492
2019	66.0219192504883
2020	49.633186340332
2021	51.2642517089844
2022	52.5388259887695