| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
3.2%
|
|
| 1 | Not effective at all | 2 |
2.1%
|
| 2 | 1 |
1.1%
|
|
| 3 | 2 |
2.1%
|
|
| 4 | 2 |
2.1%
|
|
| 5 | 6 |
6.3%
|
|
| 6 | 1 |
1.1%
|
|
| 7 | 9 |
9.5%
|
|
| 8 | 6 |
6.3%
|
|
| 9 | 7 |
7.4%
|
|
| 10 | Very effective | 18 |
18.9%
|
| 11 | 38 |
40%
|
|
| Sysmiss | 14 |