| Value | Category | Cases | |
|---|---|---|---|
| -99 | 90 |
30.1%
|
|
| 1 | Not effective at all | 9 |
3%
|
| 2 | 8 |
2.7%
|
|
| 3 | 16 |
5.4%
|
|
| 4 | 11 |
3.7%
|
|
| 5 | 16 |
5.4%
|
|
| 6 | 10 |
3.3%
|
|
| 7 | 5 |
1.7%
|
|
| 8 | 11 |
3.7%
|
|
| 9 | 8 |
2.7%
|
|
| 10 | Very effective | 36 |
12%
|
| 11 | Don't know | 79 |
26.4%
|
| Sysmiss | 76 |