| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 13 |
5.8%
|
| 2 | 20 |
8.9%
|
|
| 3 | 42 |
18.8%
|
|
| 4 | 33 |
14.7%
|
|
| 5 | 36 |
16.1%
|
|
| 6 | 20 |
8.9%
|
|
| 7 | 25 |
11.2%
|
|
| 8 | 19 |
8.5%
|
|
| 9 | 6 |
2.7%
|
|
| 10 | Very effective | 10 |
4.5%
|
| 11 | Don't know | 65 | |
| Sysmiss | 14 |