Year	% (cumulative)
1972	12.4162101745605
1982	20.8999996185303
1983	9
2004	22.7009201049805
2006	42.5429801940918
2007	43.8132019042969
2009	45.2801818847656
2010	45.8243103027344
2011	46.1415214538574
2012	47.5838317871094
2013	48.3957405090332
2014	49.9792213439941
2015	49.9575119018555
2016	36.6167182922363
2017	37.573112487793
2018	38.4652786254883
2019	39.3615074157715
2020	39.7147636413574
2021	40.4751586914062
2022	41.732250213623