Educational level attained;Periodo;Total Total;2012;27,4 Total;2011;26,8 Total;2010;26 Total;2009;23,8 Total;2008;23,5 Total;2007;22,5 Total;2006;23,1 Total;2005;23,6 Total;2004;25,4 Primary education or lower;2012;34 Primary education or lower;2011;35,3 Primary education or lower;2010;34,8 Primary education or lower;2009;34,4 Primary education or lower;2008;34,2 Primary education or lower;2007;31,4 Primary education or lower;2006;34,5 Primary education or lower;2005;33,4 Primary education or lower;2004;37,8 First stage secondary education;2012;35,1 First stage secondary education;2011;32,4 First stage secondary education;2010;31,3 First stage secondary education;2009;25,6 First stage secondary education;2008;26,1 First stage secondary education;2007;24,6 First stage secondary education;2006;24,9 First stage secondary education;2005;24,8 First stage secondary education;2004;26,6 Second stage secondary education;2012;25,7 Second stage secondary education;2011;23,3 Second stage secondary education;2010;22,7 Second stage secondary education;2009;20,1 Second stage secondary education;2008;18,6 Second stage secondary education;2007;19,2 Second stage secondary education;2006;15,9 Second stage secondary education;2005;17,2 Second stage secondary education;2004;20,6 Higher education;2012;14 Higher education;2011;14 Higher education;2010;12,7 Higher education;2009;11,3 Higher education;2008;10,7 Higher education;2007;10,3 Higher education;2006;10 Higher education;2005;11,7 Higher education;2004;10,9 No data recorded;2012;75,7 No data recorded;2011;57,2 No data recorded;2010;36,5 No data recorded;2009;30,7 No data recorded;2008;25,7 No data recorded;2007;33,5 No data recorded;2006;19,2 No data recorded;2005;32,3 No data recorded;2004;28,6