| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
4%
|
| 2 | 5 |
4%
|
|
| 3 | 12 |
9.5%
|
|
| 4 | 9 |
7.1%
|
|
| 5 | 18 |
14.3%
|
|
| 6 | 13 |
10.3%
|
|
| 7 | 17 |
13.5%
|
|
| 8 | 24 |
19%
|
|
| 9 | 14 |
11.1%
|
|
| 10 | Very effective | 9 |
7.1%
|
| -99 | 7 | ||
| 11 | Don't know | 103 | |
| Sysmiss | 24 |