| Value | Category | Cases | |
|---|---|---|---|
| 1 | Prof. J.P. de Lange | 25 |
5%
|
| 2 | Prof. Gert Scholtz | 10 |
2%
|
| 3 | Dr J.G. Garbers | 59 |
11.8%
|
| 4 | Prof. S.A. Strauss | 15 |
3%
|
| 5 | Prof. N.E. Wiehahn | 44 |
8.8%
|
| 6 | Not sure | 45 |
9%
|
| 7 | Do not know | 300 |
60.2%
|
| Sysmiss | 526 |