| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.7%
|
|
| 1 | Not effective at all | 7 |
5.2%
|
| 2 | 7 |
5.2%
|
|
| 3 | 10 |
7.4%
|
|
| 4 | 12 |
8.9%
|
|
| 5 | 12 |
8.9%
|
|
| 6 | 12 |
8.9%
|
|
| 7 | 16 |
11.9%
|
|
| 8 | 8 |
5.9%
|
|
| 9 | 5 |
3.7%
|
|
| 10 | Very effective | 4 |
3%
|
| 11 | 41 |
30.4%
|
|
| Sysmiss | 9 |