| Value | Category | Cases | |
|---|---|---|---|
| -99 | 14 |
2.9%
|
|
| 1 | Not effective at all | 4 |
0.8%
|
| 2 | 9 |
1.9%
|
|
| 3 | 17 |
3.5%
|
|
| 4 | 36 |
7.4%
|
|
| 5 | 44 |
9.1%
|
|
| 6 | 76 |
15.6%
|
|
| 7 | 53 |
10.9%
|
|
| 8 | 46 |
9.5%
|
|
| 9 | 33 |
6.8%
|
|
| 10 | Very effective | 15 |
3.1%
|
| 11 | 139 |
28.6%
|
|
| Sysmiss | 11 |