| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
4%
|
| 2 | 6 |
3.4%
|
|
| 3 | 7 |
4%
|
|
| 4 | 11 |
6.3%
|
|
| 5 | 24 |
13.7%
|
|
| 6 | 28 |
16%
|
|
| 7 | 33 |
18.9%
|
|
| 8 | 29 |
16.6%
|
|
| 9 | 16 |
9.1%
|
|
| 10 | Very effective | 14 |
8%
|
| 11 | Don't know | 190 | |
| Sysmiss | 56 |