| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
0.7%
|
| 1 | Possible to achieve without much effort | 34 |
4.8%
|
| 2 | Possible to achieve with some effort | 170 |
24.1%
|
| 3 | Possible to achieve with normal amount of effort | 186 |
26.4%
|
| 4 | Possible to achieve with more than normal effort | 238 |
33.8%
|
| 5 | Only possible to achieve with extraordinary effort | 54 |
7.7%
|
| 6 | Targets were not achieved | 17 |
2.4%
|
| Sysmiss | 869 |