Year	% (cumulative)
1974	9.63803958892822
1982	16.6800308227539
1990	37.9841499328613
2001	32.2799987792969
2003	31.8299999237061
2005	33.4300003051758
2006	33.6800003051758
2007	33.6699981689453
2008	33.5099983215332
2009	34.310001373291
2010	35.2599983215332
2011	36.5200004577637
2012	38.6100006103516
2013	39.0900001525879
2014	39.2599983215332
2015	42.6199989318848
2016	42.5699996948242
2017	43.8699989318848
2018	42.6800003051758
2019	43.2000007629395
2020	42.7099990844727
2021	45.7400016784668
2022	45.8499984741211