| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
4%
|
| 2 | 3 |
2.4%
|
|
| 3 | 7 |
5.6%
|
|
| 4 | 9 |
7.2%
|
|
| 5 | 22 |
17.6%
|
|
| 6 | 21 |
16.8%
|
|
| 7 | 24 |
19.2%
|
|
| 8 | 21 |
16.8%
|
|
| 9 | 7 |
5.6%
|
|
| 10 | Very effective | 6 |
4.8%
|
| 11 | Don't know | 55 | |
| Sysmiss | 13 |