| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 16 |
7.4%
|
| 2 | 22 |
10.2%
|
|
| 3 | 44 |
20.4%
|
|
| 4 | 29 |
13.4%
|
|
| 5 | 28 |
13%
|
|
| 6 | 25 |
11.6%
|
|
| 7 | 21 |
9.7%
|
|
| 8 | 20 |
9.3%
|
|
| 9 | 6 |
2.8%
|
|
| 10 | Very effective | 5 |
2.3%
|
| 11 | Don't know | 78 | |
| Sysmiss | 9 |