| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 29 |
11.3%
|
| 2 | 17 |
6.6%
|
|
| 3 | 19 |
7.4%
|
|
| 4 | 24 |
9.4%
|
|
| 5 | 29 |
11.3%
|
|
| 6 | 33 |
12.9%
|
|
| 7 | 23 |
9%
|
|
| 8 | 25 |
9.8%
|
|
| 9 | 16 |
6.3%
|
|
| 10 | Very effective | 41 |
16%
|
| 11 | Don't know | 145 | |
| Sysmiss | 29 |