| Value | Category | Cases | |
|---|---|---|---|
| -99 | 20 |
4.2%
|
|
| 1 | Not effective at all | 16 |
3.3%
|
| 2 | 19 |
4%
|
|
| 3 | 25 |
5.2%
|
|
| 4 | 33 |
6.9%
|
|
| 5 | 65 |
13.6%
|
|
| 6 | 54 |
11.3%
|
|
| 7 | 61 |
12.7%
|
|
| 8 | 37 |
7.7%
|
|
| 9 | 17 |
3.5%
|
|
| 10 | Very effective | 10 |
2.1%
|
| 11 | 122 |
25.5%
|
|
| Sysmiss | 18 |