| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
8.9%
|
| 2 | 7 |
6.3%
|
|
| 3 | 7 |
6.3%
|
|
| 4 | 8 |
7.1%
|
|
| 5 | 8 |
7.1%
|
|
| 6 | 11 |
9.8%
|
|
| 7 | 23 |
20.5%
|
|
| 8 | 10 |
8.9%
|
|
| 9 | 14 |
12.5%
|
|
| 10 | Very effective | 9 |
8%
|
| 11 | Don't know | 5 |
4.5%
|
| Sysmiss | 52 |