| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
1.4%
|
| 2 | 0 |
0%
|
|
| 3 | 5 |
6.9%
|
|
| 4 | 4 |
5.6%
|
|
| 5 | 6 |
8.3%
|
|
| 6 | 7 |
9.7%
|
|
| 7 | 11 |
15.3%
|
|
| 8 | 6 |
8.3%
|
|
| 9 | 5 |
6.9%
|
|
| 10 | Very effective | 5 |
6.9%
|
| 11 | 22 |
30.6%
|
|
| Sysmiss | 2 |