| Value | Category | Cases | |
|---|---|---|---|
| -99 | 73 |
24.6%
|
|
| 1 | Not effective at all | 32 |
10.8%
|
| 2 | 9 |
3%
|
|
| 3 | 11 |
3.7%
|
|
| 4 | 13 |
4.4%
|
|
| 5 | 14 |
4.7%
|
|
| 6 | 19 |
6.4%
|
|
| 7 | 8 |
2.7%
|
|
| 8 | 7 |
2.4%
|
|
| 9 | 9 |
3%
|
|
| 10 | Very effective | 37 |
12.5%
|
| 11 | Don't know | 10 |
3.4%
|
| 12 | 55 |
18.5%
|
|
| Sysmiss | 78 |