| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
3.1%
|
| 2 | 4 |
3.1%
|
|
| 3 | 4 |
3.1%
|
|
| 4 | 14 |
10.8%
|
|
| 5 | 12 |
9.2%
|
|
| 6 | 21 |
16.2%
|
|
| 7 | 28 |
21.5%
|
|
| 8 | 11 |
8.5%
|
|
| 9 | 18 |
13.8%
|
|
| 10 | Very effective | 14 |
10.8%
|
| 11 | Don't know | 72 | |
| Sysmiss | 36 |