Year	% (cumulative)
1974	13.3882904052734
1982	22.4705505371094
1990	33.9103889465332
2001	40.9700012207031
2003	41.1699981689453
2005	42.25
2006	42.5099983215332
2007	42.7599983215332
2008	42.7900009155273
2009	42.7900009155273
2010	44.560001373291
2011	44.9199981689453
2012	46.5200004577637
2013	47.689998626709
2014	48.4099998474121
2015	52.189998626709
2016	52.0099983215332
2017	52.5099983215332
2018	50.9700012207031
2019	51.8899993896484
2020	53.0499992370605
2021	54.3899993896484
2022	54.1800003051758