| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2%
|
| 2 | 12 |
2.7%
|
|
| 3 | 24 |
5.3%
|
|
| 4 | 45 |
10%
|
|
| 5 | 116 |
25.7%
|
|
| 6 | 88 |
19.5%
|
|
| 7 | 76 |
16.9%
|
|
| 8 | 52 |
11.5%
|
|
| 9 | 14 |
3.1%
|
|
| 10 | Very effective | 15 |
3.3%
|
| 11 | Don't know | 24 | |
| Sysmiss | 3 |