| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 12 |
11.9%
|
| 2 | 2 |
2%
|
|
| 3 | 6 |
5.9%
|
|
| 4 | 4 |
4%
|
|
| 5 | 7 |
6.9%
|
|
| 6 | 10 |
9.9%
|
|
| 7 | 15 |
14.9%
|
|
| 8 | 12 |
11.9%
|
|
| 9 | 11 |
10.9%
|
|
| 10 | Very effective | 7 |
6.9%
|
| 11 | Don't know | 15 |
14.9%
|
| Sysmiss | 63 |