| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2%
|
| 2 | 23 |
5%
|
|
| 3 | 24 |
5.2%
|
|
| 4 | 24 |
5.2%
|
|
| 5 | 69 |
15%
|
|
| 6 | 66 |
14.3%
|
|
| 7 | 77 |
16.7%
|
|
| 8 | 78 |
16.9%
|
|
| 9 | 64 |
13.9%
|
|
| 10 | Very effective | 27 |
5.9%
|
| 11 | Don't know | 33 | |
| Sysmiss | 11 |