| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 17 |
15.7%
|
| 2 | 9 |
8.3%
|
|
| 3 | 13 |
12%
|
|
| 4 | 12 |
11.1%
|
|
| 5 | 18 |
16.7%
|
|
| 6 | 17 |
15.7%
|
|
| 7 | 9 |
8.3%
|
|
| 8 | 4 |
3.7%
|
|
| 9 | 4 |
3.7%
|
|
| 10 | Very effective | 5 |
4.6%
|
| 11 | Don't know | 94 | |
| Sysmiss | 36 |