School grade (secondary school)

Age (in years)

Field of study

Educational region

First

Second

Third

15

16

17

-

Math and physics

Experimental sciences

Humanities

4

6

7

Frequency

65

47

38

49

61

40

65

26

32

27

17

84

49

Percentage

43.3%

31.3%

25.3%

32.7%

40.7%

26.7%

43.33%

17.33%

21.33%

18.0%

11.3%

56%

32.7%

Total

F

150

150

150

150

%

100

100

100

100