Educational level attained;Insufficiency in a given number of concepts;Total Total;In at least 2 concepts;33.2 Total;In at least 3 concepts;13.9 Total;In at least 4 concepts;4.9 Primary education or lower;In at least 2 concepts;46.5 Primary education or lower;In at least 3 concepts;19.5 Primary education or lower;In at least 4 concepts;6.8 First stage secondary education;In at least 2 concepts;41.8 First stage secondary education;In at least 3 concepts;18.4 First stage secondary education;In at least 4 concepts;6.8 Second stage secondary education;In at least 2 concepts;27.0 Second stage secondary education;In at least 3 concepts;11.4 Second stage secondary education;In at least 4 concepts;3.8 Higher education;In at least 2 concepts;14.4 Higher education;In at least 3 concepts;5.1 Higher education;In at least 4 concepts;1.7 No data recorded;In at least 2 concepts;26.0 No data recorded;In at least 3 concepts;8.6 No data recorded;In at least 4 concepts;8.5