| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 18 |
10.2%
|
| 2 | 6 |
3.4%
|
|
| 3 | 21 |
11.9%
|
|
| 4 | 24 |
13.6%
|
|
| 5 | 27 |
15.3%
|
|
| 6 | 26 |
14.8%
|
|
| 7 | 24 |
13.6%
|
|
| 8 | 18 |
10.2%
|
|
| 9 | 5 |
2.8%
|
|
| 10 | Very effective | 7 |
4%
|
| 11 | Don't know | 79 | |
| Sysmiss | 7 |