Economically Active Population Survey National results Persons aged 16 to 34 years old who worked while undertaking official studies, according to whether or not the work was a part of the study program, by age group. Units: absolute value in thousands and percentages ;Total;Yes, entirely;Yes, in part;No;Does not know; Absolute value; Total ages;2,629.0;244.8;188.4;2,192.0;3.8; 16-19;171.2;6.8;3.8;160.7;.; 20-22;334.9;20.1;13.8;301.0;.; 23-25;426.4;36.7;21.6;367.8;0.3; 26-34;1,696.5;181.2;149.2;1,362.5;3.4; Percentage; Total ages;100.00;9.31;7.17;83.38;0.14; 16-19;100.00;3.95;2.19;93.86;.; 20-22;100.00;5.99;4.13;89.88;.; 23-25;100.00;8.60;5.07;86.25;0.08; 26-34;100.00;10.68;8.80;80.32;0.20; Notes: .Data protected by statistical secrecy Source: National Statistics Institute