| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | no formal schooling | 7791 | 12280863 |
52.4%
|
| 2 | literacy certificate | 973 | 1705692 |
7.3%
|
| 3 | primary | 496 | 809353 |
3.5%
|
| 4 | preparatory | 293 | 470080 |
2%
|
| 5 | secondary | 2310 | 3747297 |
16%
|
| 6 | middle institute | 356 | 607108 |
2.6%
|
| 7 | higher institute | 170 | 335854 |
1.4%
|
| 8 | university | 2088 | 3389008 |
14.5%
|
| 9 | graduate school | 53 | 91258 |
0.4%
|
| Sysmiss | 34656 | 56624869 |