| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 7 |
2.8%
|
| -8 | Refused | 2 |
0.8%
|
| -5 | Not applicable | 1 |
0.4%
|
| -3 | Missing | 3 |
1.2%
|
| 1 | Yes with matric exemption | 114 |
45.1%
|
| 2 | Yes but no exemption required | 77 |
30.4%
|
| 3 | No | 49 |
19.4%
|
| Sysmiss | 16619 |