Primarias
Industrializadas
77%
23%
2006
74%
26%
2007
77%
23%
2008
76%
24%
2009
77%
23%
2010
78%
22%
2011
77%
23%
2012
81%
19%
2013
84%
16%
2014
79%
21%
2015
77%
23%
2016
77%
23%
2017
f
in