| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 19 |
11.6%
|
| 2 | 8 |
4.9%
|
|
| 3 | 5 |
3%
|
|
| 4 | 21 |
12.8%
|
|
| 5 | 20 |
12.2%
|
|
| 6 | 20 |
12.2%
|
|
| 7 | 26 |
15.9%
|
|
| 8 | 30 |
18.3%
|
|
| 9 | 7 |
4.3%
|
|
| 10 | Very effective | 8 |
4.9%
|
| 11 | Don't know | 91 | |
| Sysmiss | 71 |