| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 29 |
15.7%
|
| 2 | 8 |
4.3%
|
|
| 3 | 13 |
7%
|
|
| 4 | 23 |
12.4%
|
|
| 5 | 35 |
18.9%
|
|
| 6 | 18 |
9.7%
|
|
| 7 | 20 |
10.8%
|
|
| 8 | 15 |
8.1%
|
|
| 9 | 15 |
8.1%
|
|
| 10 | Very effective | 9 |
4.9%
|
| 11 | Don't know | 77 | |
| Sysmiss | 64 |