Year	% (cumulative)
1976	0.229230001568794
2006	11.3239498138428
2011	7.72812986373901
2015	8.25944042205811
2016	4.73807001113892
2017	9.08766078948975
2018	6.0479998588562
2019	7.70513010025024
2020	7.99977016448975
