| Value | Category | Cases | |
|---|---|---|---|
| -3 | Missing | 31170 |
66.2%
|
| 1 | Grade 12 | 9521 |
20.2%
|
| 2 | Certificate/diploma | 5294 |
11.3%
|
| 3 | Degree | 1070 |
2.3%
|