Year	% (cumulative)
1972	10.2031002044678
1982	17.2571697235107
1992	25.1054000854492
2001	27.8999996185303
2002	27.4799995422363
2003	30.5100002288818
2004	29.5799999237061
2005	34.1399993896484
2006	32.6599998474121
2007	34.9799995422363
2008	37.0499992370605
2009	38.4500007629395
2010	37.939998626709
2011	42.5099983215332
2012	41.8199996948242
2013	46.189998626709
2014	47.310001373291
2015	48.0299987792969
2016	47.2599983215332
2017	48.0099983215332
2018	49.25
2019	51.0400009155273
2020	52.4700012207031
2021	54.310001373291
2022	57.4799995422363