| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 3 |
1.2%
|
|
| 3 | 4 |
1.6%
|
|
| 4 | 6 |
2.4%
|
|
| 5 | 17 |
6.8%
|
|
| 6 | 37 |
14.7%
|
|
| 7 | 38 |
15.1%
|
|
| 8 | 75 |
29.9%
|
|
| 9 | 65 |
25.9%
|
|
| 10 | Very effective | 6 |
2.4%
|
| 11 | Don't know | 95 | |
| Sysmiss | 14 |