| Value | Category | Cases | |
|---|---|---|---|
| -99 | 2 |
1%
|
|
| 1 | Not effective at all | 16 |
7.8%
|
| 2 | 13 |
6.3%
|
|
| 3 | 12 |
5.8%
|
|
| 4 | 12 |
5.8%
|
|
| 5 | 22 |
10.7%
|
|
| 6 | 21 |
10.2%
|
|
| 7 | 24 |
11.7%
|
|
| 8 | 17 |
8.3%
|
|
| 9 | 13 |
6.3%
|
|
| 10 | Very effective | 10 |
4.9%
|
| 11 | Don't know | 44 |
21.4%
|
| Sysmiss | 19 |