| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 14 |
5.5%
|
| 2 | 10 |
3.9%
|
|
| 3 | 15 |
5.9%
|
|
| 4 | 11 |
4.3%
|
|
| 5 | 22 |
8.7%
|
|
| 6 | 30 |
11.8%
|
|
| 7 | 35 |
13.8%
|
|
| 8 | 33 |
13%
|
|
| 9 | 17 |
6.7%
|
|
| 10 | Very effective | 30 |
11.8%
|
| 11 | 37 |
14.6%
|
|
| Sysmiss | 10 |