| Value | Category | Cases | |
|---|---|---|---|
| -99 | 91 |
30.3%
|
|
| 1 | Not effective at all | 15 |
5%
|
| 2 | 14 |
4.7%
|
|
| 3 | 13 |
4.3%
|
|
| 4 | 15 |
5%
|
|
| 5 | 21 |
7%
|
|
| 6 | 19 |
6.3%
|
|
| 7 | 8 |
2.7%
|
|
| 8 | 8 |
2.7%
|
|
| 9 | 8 |
2.7%
|
|
| 10 | Very effective | 32 |
10.7%
|
| 11 | Don't know | 56 |
18.7%
|
| Sysmiss | 75 |