| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
5.1%
|
| 2 | 11 |
5.6%
|
|
| 3 | 11 |
5.6%
|
|
| 4 | 11 |
5.6%
|
|
| 5 | 35 |
17.7%
|
|
| 6 | 15 |
7.6%
|
|
| 7 | 22 |
11.1%
|
|
| 8 | 17 |
8.6%
|
|
| 9 | 14 |
7.1%
|
|
| 10 | Very effective | 20 |
10.1%
|
| 11 | 32 |
16.2%
|
|
| Sysmiss | 24 |