Year	% net
2003	94.48077
2004	95.6222
2005	90.54969
2006	95.07177
2007	95.179
2008	93.49633
2009	91.85695
2010	93.53901
2011	91.97499
2012	91.08547
2014	90.68654
2015	94.30104
2016	92.1204