| Value | Category | Cases | |
|---|---|---|---|
| -99 | 23 |
3.2%
|
|
| 1 | Not effective at all | 27 |
3.7%
|
| 2 | 42 |
5.8%
|
|
| 3 | 38 |
5.2%
|
|
| 4 | 74 |
10.2%
|
|
| 5 | 108 |
14.9%
|
|
| 6 | 103 |
14.2%
|
|
| 7 | 71 |
9.8%
|
|
| 8 | 45 |
6.2%
|
|
| 9 | 22 |
3%
|
|
| 10 | Very effective | 27 |
3.7%
|
| 11 | 146 |
20.1%
|
|
| Sysmiss | 25 |