| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
4%
|
| 2 | 6 |
4.8%
|
|
| 3 | 9 |
7.2%
|
|
| 4 | 14 |
11.2%
|
|
| 5 | 16 |
12.8%
|
|
| 6 | 27 |
21.6%
|
|
| 7 | 15 |
12%
|
|
| 8 | 16 |
12.8%
|
|
| 9 | 11 |
8.8%
|
|
| 10 | Very effective | 6 |
4.8%
|
| 11 | Don't know | 79 | |
| Sysmiss | 34 |