Year	% (cumulative)
1970	5.07740020751953
2000	21.6299991607666
2001	21.9599990844727
2002	23.7600002288818
2003	23.8199996948242
2004	25.1100006103516
2005	24.4899997711182
2006	26.5200004577637
2007	28.0200004577637
2008	27.5799999237061
2009	29.7800006866455
2010	29.6599998474121
2011	30.5599994659424
2012	31.0799999237061
2013	32.9099998474121
2014	33.5200004577637
2015	34.2900009155273
2016	33.2200012207031
2017	32.9500007629395
2018	36.0999984741211
2019	37.9599990844727
2020	37.6500015258789
2021	37.9099998474121
2022	39.25