| Value | Category | Cases | |
|---|---|---|---|
| -99 | 2 |
1%
|
|
| 1 | Not effective at all | 2 |
1%
|
| 2 | 10 |
5%
|
|
| 3 | 14 |
7%
|
|
| 4 | 13 |
6.5%
|
|
| 5 | 26 |
13.1%
|
|
| 6 | 24 |
12.1%
|
|
| 7 | 27 |
13.6%
|
|
| 8 | 13 |
6.5%
|
|
| 9 | 16 |
8%
|
|
| 10 | Very effective | 3 |
1.5%
|
| 11 | Don't know | 49 |
24.6%
|
| Sysmiss | 26 |