| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.1%
|
| 1 | Possible to achieve without much effort | 13 |
4.9%
|
| 2 | Possible to achieve with some effort | 61 |
22.8%
|
| 3 | Possible to achieve with normal amount of effort | 87 |
32.6%
|
| 4 | Possible to achieve with more than normal effort | 20 |
7.5%
|
| 5 | Only possible to achieve with extraordinary effort | 31 |
11.6%
|
| 6 | Targets were not achieved | 52 |
19.5%
|
| Sysmiss | 135 |