| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 7 |
8.9%
|
|
| 4 | 1 |
1.3%
|
|
| 5 | 7 |
8.9%
|
|
| 6 | 11 |
13.9%
|
|
| 7 | 25 |
31.6%
|
|
| 8 | 17 |
21.5%
|
|
| 9 | 9 |
11.4%
|
|
| 10 | Very effective | 2 |
2.5%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 34 |