| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
3.3%
|
| 2 | 2 |
3.3%
|
|
| 4 | 2 |
3.3%
|
|
| 5 | 4 |
6.6%
|
|
| 6 | 3 |
4.9%
|
|
| 7 | 11 |
18%
|
|
| 8 | 21 |
34.4%
|
|
| 9 | 13 |
21.3%
|
|
| 10 | Very effective | 3 |
4.9%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 103 |