| Value | Category | Cases | |
|---|---|---|---|
| -99 | 96 |
32.2%
|
|
| 1 | Not effective at all | 17 |
5.7%
|
| 2 | 8 |
2.7%
|
|
| 3 | 16 |
5.4%
|
|
| 4 | 14 |
4.7%
|
|
| 5 | 17 |
5.7%
|
|
| 6 | 14 |
4.7%
|
|
| 7 | 7 |
2.3%
|
|
| 8 | 7 |
2.3%
|
|
| 9 | 5 |
1.7%
|
|
| 10 | Very effective | 26 |
8.7%
|
| 11 | Don't know | 71 |
23.8%
|
| Sysmiss | 77 |