Year	% (cumulative)
1970	27.0174102783203
1975	31.2635707855225
1980	36.6841201782227
1990	47.8646812438965
2000	50.5720481872559
2004	62.3830108642578
2008	63.7935104370117
2010	65.8403396606445
2013	68.9905776977539
2017	56.7497482299805
2019	69.0899124145508
2020	61.2710113525391
2021	59.1400299072266
2022	60.0255012512207