Value | Category | Cases | |
---|---|---|---|
-2 | don't know | 1 |
1%
|
-1 | refuse | 1 |
1%
|
1 | Very difficult | 8 |
8.2%
|
2 | Difficult | 17 |
17.3%
|
3 | Normal | 34 |
34.7%
|
4 | Easy | 26 |
26.5%
|
5 | Very easy | 11 |
11.2%
|
Sysmiss | 951 |