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