| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
8.8%
|
| 2 | 5 |
7.4%
|
|
| 3 | 5 |
7.4%
|
|
| 4 | 8 |
11.8%
|
|
| 5 | 4 |
5.9%
|
|
| 6 | 7 |
10.3%
|
|
| 7 | 7 |
10.3%
|
|
| 8 | 9 |
13.2%
|
|
| 9 | 5 |
7.4%
|
|
| 10 | Very effective | 12 |
17.6%
|
| 11 | Don't know | 82 | |
| Sysmiss | 30 |