| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
4.5%
|
| 2 | 3 |
4.5%
|
|
| 3 | 5 |
7.6%
|
|
| 4 | 2 |
3%
|
|
| 5 | 14 |
21.2%
|
|
| 6 | 6 |
9.1%
|
|
| 7 | 6 |
9.1%
|
|
| 8 | 12 |
18.2%
|
|
| 9 | 6 |
9.1%
|
|
| 10 | Very effective | 9 |
13.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 140 |