| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 27 |
11%
|
| 2 | 19 |
7.8%
|
|
| 3 | 29 |
11.8%
|
|
| 4 | 32 |
13.1%
|
|
| 5 | 13 |
5.3%
|
|
| 6 | 10 |
4.1%
|
|
| 7 | 12 |
4.9%
|
|
| 8 | 10 |
4.1%
|
|
| 9 | 7 |
2.9%
|
|
| 10 | Very effective | 10 |
4.1%
|
| 11 | Don't know | 76 |
31%
|
| Sysmiss | 60 |