Year	% net
1992	96.68551
1994	97.12341
1995	95.78402
1996	92.9044
1997	93.34368
1998	94.58192
1999	94.56578
2000	92.52423
2001	95.55622
2003	99.96438
2009	96.74774
2013	97.77143
2015	98.4174