| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1.8%
|
| 2 | 2 |
1.2%
|
|
| 3 | 3 |
1.8%
|
|
| 4 | 7 |
4.1%
|
|
| 5 | 12 |
7.1%
|
|
| 6 | 20 |
11.8%
|
|
| 7 | 36 |
21.3%
|
|
| 8 | 24 |
14.2%
|
|
| 9 | 5 |
3%
|
|
| 10 | Very effective | 11 |
6.5%
|
| 11 | Don't know | 46 |
27.2%
|
| Sysmiss | 17 |