| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
1.6%
|
| 2 | 13 |
3%
|
|
| 3 | 8 |
1.8%
|
|
| 4 | 21 |
4.8%
|
|
| 5 | 35 |
8.1%
|
|
| 6 | 35 |
8.1%
|
|
| 7 | 38 |
8.8%
|
|
| 8 | 41 |
9.5%
|
|
| 9 | 22 |
5.1%
|
|
| 10 | Very effective | 57 |
13.2%
|
| 11 | Don't know | 156 |
36%
|
| Sysmiss | 134 |