| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 1 |
1.9%
|
|
| 3 | 3 |
5.6%
|
|
| 4 | 6 |
11.1%
|
|
| 5 | 7 |
13%
|
|
| 6 | 7 |
13%
|
|
| 7 | 11 |
20.4%
|
|
| 8 | 13 |
24.1%
|
|
| 9 | 3 |
5.6%
|
|
| 10 | Very effective | 3 |
5.6%
|
| -99 | 7 | ||
| 11 | Don't know | 74 | |
| Sysmiss | 24 |