Year	% net
1995	37.96691
1998	64.51416
1999	67.57514
2000	60.48597
2001	61.64063
2009	74.3348
2010	75.9382
2011	75.76529
2012	77.75498
2014	81.18792
2015	81.60904
2016	81.59628