| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
1%
|
| 2 | 5 |
2.4%
|
|
| 3 | 6 |
2.9%
|
|
| 4 | 6 |
2.9%
|
|
| 5 | 21 |
10%
|
|
| 6 | 15 |
7.1%
|
|
| 7 | 22 |
10.5%
|
|
| 8 | 36 |
17.1%
|
|
| 9 | 22 |
10.5%
|
|
| 10 | Very effective | 14 |
6.7%
|
| 11 | Don't know | 61 |
29%
|
| Sysmiss | 15 |