Year	% net
1995	68.01542
1996	69.01817
1997	66.03551
1998	67.36067
1999	65.21328
2000	68.71792
2001	74.52873
2002	77.75242
2003	81.96297
2004	85.29388
2005	87.28897
2006	86.07653