Year	% (cumulative)
1970	4.40000009536743
2000	21.9899997711182
2001	22.7999992370605
2002	24.5100002288818
2003	25.6700000762939
2004	27.2700004577637
2005	26.4799995422363
2006	28.7299995422363
2007	29.7800006866455
2008	29.7000007629395
2009	32.2999992370605
2010	32.2000007629395
2011	32.9700012207031
2012	34.5
2013	35.310001373291
2014	36.4300003051758
2015	37.5999984741211
2016	37.4000015258789
2017	37.5999984741211
2018	39.6699981689453
2019	41.8899993896484
2020	41.8699989318848
2021	42.810001373291
2022	43.7799987792969