| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | Possible to achieve without much effort | 3 |
1.1%
|
| 2 | Possible to achieve with some effort | 11 |
4.1%
|
| 3 | Possible to achieve with normal amount of effort | 52 |
19.5%
|
| 4 | Possible to achieve with more than normal effort | 125 |
47%
|
| 5 | Only possible to achieve with extraordinary effort | 40 |
15%
|
| 6 | Targets were not achieved | 35 |
13.2%
|
| Sysmiss | 253 |