Living Conditions Survey (LCS) Material insufficiency Persons aged 16 years old and over, by difficulty making ends meet and educational level attained. Units: Horizontal percentages ;With a great deal of difficulty;With difficulty;With certain difficulty;With certain ease;With ease;With a great deal of ease;No data recorded; Total;13.7;17.0;28.7;25.2;14.3;1.1;0.0; Primary education or lower;18.4;20.5;30.9;20.5;9.1;0.5;0.0; First stage secondary education;17.8;20.7;30.4;20.9;9.7;0.6;..; Second stage secondary education;11.6;16.8;28.8;26.5;15.1;1.3;..; Higher education;5.8;9.6;24.4;33.8;24.3;2.1;..; No data recorded;18.5;7.7;33.2;26.9;13.8;0.0;..; Notes: 1) Primary education or lower: Includes illiterate persons First stage secondary education: Includes equivalent vocational training and insertion Second stage secondary education: Includes equivalent vocational training and insertion (including that requiring a second stage secondary education degree) Higher education: Includes equivalent vocational training and insertion Source: National Statistics Institute