| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 24 |
9.6%
|
| 2 | 15 |
6%
|
|
| 3 | 13 |
5.2%
|
|
| 4 | 24 |
9.6%
|
|
| 5 | 32 |
12.9%
|
|
| 6 | 25 |
10%
|
|
| 7 | 22 |
8.8%
|
|
| 8 | 22 |
8.8%
|
|
| 9 | 8 |
3.2%
|
|
| 10 | Very effective | 14 |
5.6%
|
| 11 | 50 |
20.1%
|
|
| Sysmiss | 15 |