| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
2.8%
|
| 2 | 4 |
1.1%
|
|
| 3 | 42 |
11.9%
|
|
| 4 | 60 |
17%
|
|
| 5 | 87 |
24.7%
|
|
| 6 | 74 |
21%
|
|
| 7 | 35 |
9.9%
|
|
| 8 | 21 |
6%
|
|
| 9 | 8 |
2.3%
|
|
| 10 | Very effective | 11 |
3.1%
|
| 11 | Don't know | 122 | |
| Sysmiss | 4 |