| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
16.3%
|
| 2 | 5 |
5.4%
|
|
| 3 | 5 |
5.4%
|
|
| 4 | 5 |
5.4%
|
|
| 5 | 7 |
7.6%
|
|
| 6 | 7 |
7.6%
|
|
| 7 | 4 |
4.3%
|
|
| 8 | 7 |
7.6%
|
|
| 9 | 10 |
10.9%
|
|
| 10 | Very effective | 5 |
5.4%
|
| 11 | Don't know | 22 |
23.9%
|
| Sysmiss | 72 |