| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 16 |
5.9%
|
| 2 | 15 |
5.6%
|
|
| 3 | 7 |
2.6%
|
|
| 4 | 8 |
3%
|
|
| 5 | 21 |
7.8%
|
|
| 6 | 16 |
5.9%
|
|
| 7 | 18 |
6.7%
|
|
| 8 | 21 |
7.8%
|
|
| 9 | 22 |
8.2%
|
|
| 10 | Very effective | 15 |
5.6%
|
| 11 | 110 |
40.9%
|
|
| Sysmiss | 38 |