| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 21 |
8.1%
|
| 2 | 13 |
5%
|
|
| 3 | 11 |
4.2%
|
|
| 4 | 13 |
5%
|
|
| 5 | 22 |
8.5%
|
|
| 6 | 27 |
10.4%
|
|
| 7 | 28 |
10.8%
|
|
| 8 | 27 |
10.4%
|
|
| 9 | 12 |
4.6%
|
|
| 10 | Very effective | 21 |
8.1%
|
| 11 | 65 |
25%
|
|
| Sysmiss | 4 |