| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 23 |
5.9%
|
| 2 | 24 |
6.1%
|
|
| 3 | 51 |
13%
|
|
| 4 | 61 |
15.5%
|
|
| 5 | 94 |
23.9%
|
|
| 6 | 67 |
17%
|
|
| 7 | 37 |
9.4%
|
|
| 8 | 21 |
5.3%
|
|
| 9 | 8 |
2%
|
|
| 10 | Very effective | 7 |
1.8%
|
| 11 | Don't know | 81 | |
| Sysmiss | 4 |