| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | Possible to achieve without much effort | 3 |
0.9%
|
| 2 | Possible to achieve with some effort | 64 |
20.1%
|
| 3 | Possible to achieve with normal amount of effort | 57 |
17.9%
|
| 4 | Possible to achieve with more than normal effort | 141 |
44.3%
|
| 5 | Only possible to achieve with extraordinary effort | 52 |
16.4%
|
| 6 | Targets were not achieved | 1 |
0.3%
|
| Sysmiss | 294 |