| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 4 |
6.7%
|
| -8 | Refused | 3 |
5%
|
| -3 | Missing | 15 |
25%
|
| 1 | Yes with matric exemption | 27 |
45%
|
| 2 | Yes but no exemption required | 11 |
18.3%
|
| 3 | No | 0 |
0%
|
| Sysmiss | 1690 |