| Value | Category |
|---|---|
| 1 | NO SCHOOLING |
| 2 | PRIMARY INCOMPLETE |
| 3 | COMPLETE PRIMARY |
| 4 | COMPLETE BASIC |
| 5 | COMPLETE SECONDARY |
| 6 | COMPLETE SECONDARY SPECIAL |
| 7 | COMPLETE SECONTARY TECHNICAL |
| 8 | HIGHER EDUCATION INCOMPLETE |
| 9 | COMPLETE HIGHER EDUCATION |
| 10 | GRADUATE SCHOOL |
| Sysmiss |