;2012;2012; Problem solving;Problem solving; Percentage;Standard error; 16-65 years;;; Less than level 1;11.4;0.6; Level 1;31.8;0.8; Level 2;34.9;0.9; Level 3;6.1;0.4; 16-24 years;;; Less than level 1;7.0;1.1; Level 1;31.9;1.8; Level 2;46.7;1.9; Level 3;8.1;1.0; 25-34 years;;; Less than level 1;5.9;1.3; Level 1;24.8;1.7; Level 2;44.6;1.9; Level 3;11.7;1.3; 35-44 years;;; Less than level 1;8.7;1.2; Level 1;30.2;1.7; Level 2;41.2;1.8; Level 3;7.2;0.9; 45-54 years;;; Less than level 1;13.7;1.3; Level 1;38.6;1.6; Level 2;29.0;1.5; Level 3;2.7;0.7; 55 years and older;;; Less than level 1;21.9;1.7; Level 1;33.5;1.9; Level 2;13.4;1.3; Level 3;0.8;0.3;