Year	% (cumulative)
1981	6.19999980926514
2000	12.6999998092651
2002	13.2824802398682
2006	17.2299995422363
2012	17.6471290588379
2013	19.3541507720947
2014	18.3899993896484
2015	15.106499671936
2019	24.0180892944336