Year	% net
1982	17.16202
1993	50.8307
1999	62.16015
2000	67.06254
2001	70.48064
2002	73.19778
2003	73.65112
2009	90.84012
2011	90.93573
2012	88.34969
2013	88.93791
2015	93.07646
2016	96.25418
2017	95.76042
2018	99.30491