| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
1%
|
|
| 1 | Not effective at all | 18 |
6.1%
|
| 2 | 19 |
6.4%
|
|
| 3 | 13 |
4.4%
|
|
| 4 | 33 |
11.1%
|
|
| 5 | 24 |
8.1%
|
|
| 6 | 42 |
14.2%
|
|
| 7 | 40 |
13.5%
|
|
| 8 | 29 |
9.8%
|
|
| 9 | 18 |
6.1%
|
|
| 10 | Very effective | 13 |
4.4%
|
| 11 | Don't know | 44 |
14.9%
|
| Sysmiss | 11 |