| Value | Category | Cases | |
|---|---|---|---|
| -99 | 89 |
29.9%
|
|
| 1 | Not effective at all | 24 |
8.1%
|
| 2 | 18 |
6%
|
|
| 3 | 11 |
3.7%
|
|
| 4 | 8 |
2.7%
|
|
| 5 | 14 |
4.7%
|
|
| 6 | 10 |
3.4%
|
|
| 7 | 8 |
2.7%
|
|
| 8 | 6 |
2%
|
|
| 9 | 9 |
3%
|
|
| 10 | Very effective | 29 |
9.7%
|
| 11 | Don't know | 72 |
24.2%
|
| Sysmiss | 77 |