Year	% (cumulative)
1974	5.56122016906738
2001	16.4400005340576
2004	14.6400003433228
2005	15.6099996566772
2006	15.1796855926514
2007	15.1015501022339
2008	15.9174041748047
2009	16.8799991607666
2010	18.0799999237061
2011	19.4099998474121
2012	17.9300003051758
2013	19.2999992370605
2014	22.2700004577637
2015	21.6100006103516
2016	24.0300006866455
2017	20.5710487365723
2018	22.0200004577637
2019	24.0699996948242