| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 3 |
3.6%
|
|
| 4 | 5 |
6%
|
|
| 5 | 4 |
4.8%
|
|
| 6 | 13 |
15.7%
|
|
| 7 | 23 |
27.7%
|
|
| 8 | 17 |
20.5%
|
|
| 9 | 7 |
8.4%
|
|
| 10 | Very effective | 11 |
13.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 64 |