| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 36 |
18.8%
|
| 2 | 20 |
10.5%
|
|
| 3 | 12 |
6.3%
|
|
| 4 | 23 |
12%
|
|
| 5 | 23 |
12%
|
|
| 6 | 27 |
14.1%
|
|
| 7 | 13 |
6.8%
|
|
| 8 | 13 |
6.8%
|
|
| 9 | 10 |
5.2%
|
|
| 10 | Very effective | 14 |
7.3%
|
| 11 | Don't know | 193 | |
| Sysmiss | 46 |