| Value | Category | Cases | |
|---|---|---|---|
| -99 | 10 |
4.3%
|
|
| 1 | Not effective at all | 4 |
1.7%
|
| 2 | 2 |
0.9%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 4 |
1.7%
|
|
| 5 | 10 |
4.3%
|
|
| 6 | 7 |
3%
|
|
| 7 | 14 |
6%
|
|
| 8 | 23 |
9.8%
|
|
| 9 | 24 |
10.3%
|
|
| 10 | Very effective | 7 |
3%
|
| 11 | 126 |
53.8%
|
|
| Sysmiss | 26 |