| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2.3%
|
| 2 | 34 |
16%
|
|
| 3 | 40 |
18.8%
|
|
| 4 | 28 |
13.1%
|
|
| 5 | 40 |
18.8%
|
|
| 6 | 19 |
8.9%
|
|
| 7 | 12 |
5.6%
|
|
| 8 | 22 |
10.3%
|
|
| 9 | 7 |
3.3%
|
|
| 10 | Very effective | 6 |
2.8%
|
| 11 | Don't know | 77 | |
| Sysmiss | 13 |