(ISCED - UNESCO)

5
2
2
5
2
2
5
2
1
5
3
5
1
5
< 1
6
4
4-5
6
4
4-5
6
4
4-5
6
4
4-5
6
4-6
4-5
6
1
7
2
2
7
2
7
1-5
8
4-5
4-5