Year	% (cumulative)
2001	42.0749015808105
2002	45.1560478210449
2005	48.395637512207
2008	44.9931793212891
2011	48.4287910461426
2012	46.1517715454102
2013	49.1522026062012
2014	51.5482444763184
2015	53.1829833984375
2016	52.1816253662109
2017	50.7673110961914
2018	54.7422485351562
2019	55.5082511901855