Year	% net
2000	88.66677
2006	94.71818
2010	92.55572
2011	92.91494
2012	93.62616
2013	93.57774
2014	96.95453
2015	98.20578
2016	98.66864
2017	99.83544
2018	99.83695
2019	99.83989