| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 19 |
5.2%
|
| 2 | 31 |
8.5%
|
|
| 3 | 44 |
12%
|
|
| 4 | 75 |
20.5%
|
|
| 5 | 89 |
24.3%
|
|
| 6 | 60 |
16.4%
|
|
| 7 | 31 |
8.5%
|
|
| 8 | 9 |
2.5%
|
|
| 9 | 2 |
0.5%
|
|
| 10 | Very effective | 6 |
1.6%
|
| 11 | Don't know | 107 | |
| Sysmiss | 5 |