Value | Category | Cases | |
---|---|---|---|
1 | 1 rather easy | 683 |
45.2%
|
2 | 2 rather difficult | 355 |
23.5%
|
8 | 8 don't know | 26 |
1.7%
|
9 | 9 no answer | 13 |
0.9%
|
Sysmiss | 434 |
28.7%
|