| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
4.3%
|
| 2 | 37 |
15.9%
|
|
| 3 | 27 |
11.6%
|
|
| 4 | 32 |
13.7%
|
|
| 5 | 32 |
13.7%
|
|
| 6 | 30 |
12.9%
|
|
| 7 | 15 |
6.4%
|
|
| 8 | 16 |
6.9%
|
|
| 9 | 13 |
5.6%
|
|
| 10 | Very effective | 21 |
9%
|
| 11 | Don't know | 60 | |
| Sysmiss | 10 |