| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 1 |
2.7%
|
|
| 4 | 3 |
8.1%
|
|
| 5 | 3 |
8.1%
|
|
| 6 | 10 |
27%
|
|
| 7 | 9 |
24.3%
|
|
| 8 | 6 |
16.2%
|
|
| 9 | 5 |
13.5%
|
|
| 10 | Very effective | 0 |
0%
|
| 11 | Don't know | 63 | |
| Sysmiss | 4 |