| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
2.8%
|
| 2 | 11 |
2.8%
|
|
| 3 | 41 |
10.6%
|
|
| 4 | 62 |
16%
|
|
| 5 | 103 |
26.6%
|
|
| 6 | 73 |
18.9%
|
|
| 7 | 54 |
14%
|
|
| 8 | 10 |
2.6%
|
|
| 9 | 9 |
2.3%
|
|
| 10 | Very effective | 13 |
3.4%
|
| 11 | Don't know | 88 | |
| Sysmiss | 3 |