| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
6.6%
|
| 2 | 7 |
5.7%
|
|
| 3 | 5 |
4.1%
|
|
| 4 | 7 |
5.7%
|
|
| 5 | 17 |
13.9%
|
|
| 6 | 20 |
16.4%
|
|
| 7 | 20 |
16.4%
|
|
| 8 | 23 |
18.9%
|
|
| 9 | 7 |
5.7%
|
|
| 10 | Very effective | 8 |
6.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 157 |