Year	% (cumulative)
1970	10.3628902435303
1975	12.4041299819946
1980	15.3601398468018
1990	18.5899696350098
2000	14.7917203903198
2004	25.5399608612061
2008	28.4729309082031
2010	30.3090591430664
2013	31.4159603118896
2017	16.9358291625977
2019	27.5815696716309
2020	33.3335800170898
2021	23.7215309143066
2022	23.2302951812744