Year	% (cumulative)
1986	26.6000003814697
2004	40.9715309143066
2007	49.303279876709
2008	50.8288383483887
2009	43.3920783996582
2010	39.9161911010742
2011	41.1102294921875
2012	41.3436889648438
2013	46.0668983459473
2014	43.9633407592773
2015	39.817211151123
2016	41.0125503540039
2017	41.3008003234863
2018	42.0341491699219
2019	41.8451538085938
2020	48.2238121032715
2021	49.1327362060547
2022	51.4332084655762