| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 7 |
7.1%
|
|
| 4 | 8 |
8.2%
|
|
| 5 | 13 |
13.3%
|
|
| 6 | 17 |
17.3%
|
|
| 7 | 16 |
16.3%
|
|
| 8 | 16 |
16.3%
|
|
| 9 | 16 |
16.3%
|
|
| 10 | Very effective | 5 |
5.1%
|
| 11 | Don't know | 70 | |
| Sysmiss | 26 |