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 2,569.1 239.9 185.2 2,140.4 3.6 16-19 168.7 6.5 4.0 158.3 .. 20-22 326.2 19.2 14.2 292.8 .. 23-25 416.2 34.2 21.1 360.6 0.3 26-34 1,658.0 180.0 146.0 1,328.7 3.3 Percentage Total ages 100.00 9.34 7.21 83.31 0.14 16-19 100.00 3.85 2.35 93.80 .. 20-22 100.00 5.89 4.35 89.76 .. 23-25 100.00 8.22 5.06 86.64 0.08 26-34 100.00 10.86 8.81 80.14 0.20 Notes: Source: National Statistics Institute