| Value | Category | Cases | |
|---|---|---|---|
| -99 | 4 |
2%
|
|
| 1 | Not effective at all | 3 |
1.5%
|
| 2 | 5 |
2.5%
|
|
| 3 | 17 |
8.4%
|
|
| 4 | 24 |
11.9%
|
|
| 5 | 23 |
11.4%
|
|
| 6 | 25 |
12.4%
|
|
| 7 | 34 |
16.8%
|
|
| 8 | 17 |
8.4%
|
|
| 9 | 19 |
9.4%
|
|
| 10 | Very effective | 4 |
2%
|
| 11 | Don't know | 27 |
13.4%
|
| Sysmiss | 23 |