| Value | Category | Cases | |
|---|---|---|---|
| -99 | 15 |
7.9%
|
|
| 1 | Not effective at all | 7 |
3.7%
|
| 2 | 8 |
4.2%
|
|
| 3 | 5 |
2.6%
|
|
| 4 | 13 |
6.9%
|
|
| 5 | 6 |
3.2%
|
|
| 6 | 20 |
10.6%
|
|
| 7 | 20 |
10.6%
|
|
| 8 | 11 |
5.8%
|
|
| 9 | 2 |
1.1%
|
|
| 10 | Very effective | 0 |
0%
|
| 11 | 82 |
43.4%
|
|
| Sysmiss | 14 |