| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 5 |
3.8%
|
|
| 3 | 6 |
4.5%
|
|
| 4 | 13 |
9.8%
|
|
| 5 | 18 |
13.6%
|
|
| 6 | 21 |
15.9%
|
|
| 7 | 32 |
24.2%
|
|
| 8 | 17 |
12.9%
|
|
| 9 | 16 |
12.1%
|
|
| 10 | Very effective | 4 |
3%
|
| 11 | Don't know | 57 | |
| Sysmiss | 33 |