Year	% net
2001	14.93673
2002	15.3027
2004	14.2275
2005	15.25918
2006	15.42193
2012	23.98087
2013	23.62476
2014	24.66258
2015	25.76843
2016	26.66793
2017	27.86818
2018	30.24987