| Value | Category | Cases | |
|---|---|---|---|
| -99 | 13 |
2.7%
|
|
| 1 | Not effective at all | 4 |
0.8%
|
| 2 | 5 |
1%
|
|
| 3 | 14 |
2.9%
|
|
| 4 | 34 |
7%
|
|
| 5 | 58 |
11.9%
|
|
| 6 | 68 |
14%
|
|
| 7 | 65 |
13.4%
|
|
| 8 | 66 |
13.6%
|
|
| 9 | 34 |
7%
|
|
| 10 | Very effective | 20 |
4.1%
|
| 11 | 105 |
21.6%
|
|
| Sysmiss | 11 |