| Value | Category | Cases | |
|---|---|---|---|
| -99 | 76 |
25.4%
|
|
| 1 | Not effective at all | 23 |
7.7%
|
| 2 | 14 |
4.7%
|
|
| 3 | 15 |
5%
|
|
| 4 | 11 |
3.7%
|
|
| 5 | 18 |
6%
|
|
| 6 | 17 |
5.7%
|
|
| 7 | 10 |
3.3%
|
|
| 8 | 10 |
3.3%
|
|
| 9 | 9 |
3%
|
|
| 10 | Very effective | 34 |
11.4%
|
| 11 | Don't know | 62 |
20.7%
|
| Sysmiss | 76 |