| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
0.7%
|
| 1 | Possible to achieve without much effort | 71 |
6.8%
|
| 2 | Possible to achieve with some effort | 239 |
22.9%
|
| 3 | Possible to achieve with normal amount of effort | 348 |
33.4%
|
| 4 | Possible to achieve with more than normal effort | 242 |
23.2%
|
| 5 | Only possible to achieve with extraordinary effort | 113 |
10.8%
|
| 6 | Targets were not achieved | 22 |
2.1%
|
| Sysmiss | 1147 |