| Value | Category | Cases | |
|---|---|---|---|
| -99 | 4 |
4.1%
|
|
| 1 | Not effective at all | 1 |
1%
|
| 2 | 4 |
4.1%
|
|
| 3 | 3 |
3.1%
|
|
| 4 | 7 |
7.1%
|
|
| 5 | 4 |
4.1%
|
|
| 6 | 5 |
5.1%
|
|
| 7 | 7 |
7.1%
|
|
| 8 | 7 |
7.1%
|
|
| 9 | 5 |
5.1%
|
|
| 10 | Very effective | 16 |
16.3%
|
| 11 | 35 |
35.7%
|
|
| Sysmiss | 11 |