| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 21 |
16.4%
|
| 2 | 4 |
3.1%
|
|
| 3 | 16 |
12.5%
|
|
| 4 | 12 |
9.4%
|
|
| 5 | 25 |
19.5%
|
|
| 6 | 11 |
8.6%
|
|
| 7 | 17 |
13.3%
|
|
| 8 | 10 |
7.8%
|
|
| 9 | 9 |
7%
|
|
| 10 | Very effective | 3 |
2.3%
|
| 11 | Don't know | 123 | |
| Sysmiss | 75 |