| Value | Category | Cases | |
|---|---|---|---|
| -99 | 29 |
4%
|
|
| 1 | Not effective at all | 28 |
3.9%
|
| 2 | 31 |
4.3%
|
|
| 3 | 35 |
4.8%
|
|
| 4 | 64 |
8.8%
|
|
| 5 | 89 |
12.3%
|
|
| 6 | 116 |
16%
|
|
| 7 | 104 |
14.3%
|
|
| 8 | 58 |
8%
|
|
| 9 | 41 |
5.6%
|
|
| 10 | Very effective | 41 |
5.6%
|
| 11 | 90 |
12.4%
|
|
| Sysmiss | 25 |