Year	% (cumulative)
1975	0.638379991054535
1980	1.5
1985	6.69314002990723
2004	5.10431003570557
2005	5.62980985641479
2006	6.208740234375
2007	6.55738019943237
2008	7.61658000946045
2009	8.40464973449707
2010	9.07618999481201
2011	10.1263399124146
2012	10.7900400161743
2013	12.2682199478149
2014	13.2298698425293
2015	14.717399597168
2016	15.5799903869629
2017	16.5915699005127
2018	15.081335067749
2019	18.5035800933838
2020	17.4590072631836
2021	18.4376373291016
2022	19.1076641082764