| Value | Category | Cases | |
|---|---|---|---|
| -99 | 90 |
30.3%
|
|
| 1 | Not effective at all | 26 |
8.8%
|
| 2 | 11 |
3.7%
|
|
| 3 | 15 |
5.1%
|
|
| 4 | 20 |
6.7%
|
|
| 5 | 16 |
5.4%
|
|
| 6 | 9 |
3%
|
|
| 7 | 8 |
2.7%
|
|
| 8 | 7 |
2.4%
|
|
| 9 | 5 |
1.7%
|
|
| 10 | Very effective | 26 |
8.8%
|
| 11 | Don't know | 64 |
21.5%
|
| Sysmiss | 78 |