| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 23 |
9.2%
|
| 2 | 11 |
4.4%
|
|
| 3 | 20 |
8%
|
|
| 4 | 14 |
5.6%
|
|
| 5 | 24 |
9.6%
|
|
| 6 | 18 |
7.2%
|
|
| 7 | 23 |
9.2%
|
|
| 8 | 17 |
6.8%
|
|
| 9 | 13 |
5.2%
|
|
| 10 | Very effective | 14 |
5.6%
|
| 11 | 74 |
29.5%
|
|
| Sysmiss | 13 |