| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
1%
|
|
| 1 | Not effective at all | 15 |
5%
|
| 2 | 10 |
3.3%
|
|
| 3 | 5 |
1.7%
|
|
| 4 | 17 |
5.6%
|
|
| 5 | 37 |
12.3%
|
|
| 6 | 35 |
11.6%
|
|
| 7 | 34 |
11.3%
|
|
| 8 | 29 |
9.6%
|
|
| 9 | 14 |
4.6%
|
|
| 10 | Very effective | 14 |
4.6%
|
| 11 | Don't know | 89 |
29.5%
|
| Sysmiss | 5 |