| Value | Category | Cases | |
|---|---|---|---|
| -99 | 2 |
1%
|
|
| 1 | Not effective at all | 7 |
3.4%
|
| 2 | 6 |
3%
|
|
| 3 | 10 |
4.9%
|
|
| 4 | 16 |
7.9%
|
|
| 5 | 22 |
10.8%
|
|
| 6 | 23 |
11.3%
|
|
| 7 | 32 |
15.8%
|
|
| 8 | 20 |
9.9%
|
|
| 9 | 10 |
4.9%
|
|
| 10 | Very effective | 2 |
1%
|
| 11 | Don't know | 53 |
26.1%
|
| Sysmiss | 22 |