| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
2%
|
| 2 | 18 |
4.4%
|
|
| 3 | 27 |
6.6%
|
|
| 4 | 40 |
9.8%
|
|
| 5 | 58 |
14.2%
|
|
| 6 | 70 |
17.1%
|
|
| 7 | 86 |
21%
|
|
| 8 | 56 |
13.7%
|
|
| 9 | 38 |
9.3%
|
|
| 10 | Very effective | 8 |
2%
|
| 11 | Don't know | 78 | |
| Sysmiss | 18 |