| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
3.6%
|
| 2 | 2 |
1.5%
|
|
| 3 | 12 |
8.8%
|
|
| 4 | 12 |
8.8%
|
|
| 5 | 18 |
13.1%
|
|
| 6 | 25 |
18.2%
|
|
| 7 | 19 |
13.9%
|
|
| 8 | 26 |
19%
|
|
| 9 | 9 |
6.6%
|
|
| 10 | Very effective | 9 |
6.6%
|
| 11 | Don't know | 67 | |
| Sysmiss | 34 |