| Value | Category | Cases | |
|---|---|---|---|
| -99 | 91 |
30.6%
|
|
| 1 | Not effective at all | 39 |
13.1%
|
| 2 | 10 |
3.4%
|
|
| 3 | 17 |
5.7%
|
|
| 4 | 12 |
4%
|
|
| 5 | 11 |
3.7%
|
|
| 6 | 14 |
4.7%
|
|
| 7 | 2 |
0.7%
|
|
| 8 | 12 |
4%
|
|
| 9 | 8 |
2.7%
|
|
| 10 | Very effective | 26 |
8.8%
|
| 11 | Don't know | 55 |
18.5%
|
| Sysmiss | 78 |