| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | Possible to achieve without much effort | 5 |
2.2%
|
| 2 | Possible to achieve with some effort | 50 |
22.3%
|
| 3 | Possible to achieve with normal amount of effort | 58 |
25.9%
|
| 4 | Possible to achieve with more than normal effort | 80 |
35.7%
|
| 5 | Only possible to achieve with extraordinary effort | 22 |
9.8%
|
| 6 | Targets were not achieved | 9 |
4%
|
| Sysmiss | 385 |