| Value | Category | Cases | |
|---|---|---|---|
| -99 | 6 |
2%
|
|
| 1 | Not effective at all | 14 |
4.7%
|
| 2 | 12 |
4%
|
|
| 3 | 18 |
6%
|
|
| 4 | 27 |
9%
|
|
| 5 | 31 |
10.4%
|
|
| 6 | 22 |
7.4%
|
|
| 7 | 38 |
12.7%
|
|
| 8 | 25 |
8.4%
|
|
| 9 | 13 |
4.3%
|
|
| 10 | Very effective | 9 |
3%
|
| 11 | Don't know | 84 |
28.1%
|
| Sysmiss | 8 |