| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 4 | 4 |
4.4%
|
|
| 5 | 6 |
6.7%
|
|
| 6 | 9 |
10%
|
|
| 7 | 22 |
24.4%
|
|
| 8 | 16 |
17.8%
|
|
| 9 | 16 |
17.8%
|
|
| 10 | Very effective | 17 |
18.9%
|
| 11 | Don’t know | 9 | |
| Sysmiss | 12 |