Year	% net
2000	93.57133
2001	94.6328
2002	90.48178
2003	91.04401
2004	90.22745
2005	85.67247
2006	86.92265
2007	86.76809
2008	86.4859
2009	85.75843
2010	85.99148
2011	84.20284
2012	84.48572
2013	85.02414
2014	85.67634