Value | Category | Cases | |
---|---|---|---|
1 | 1. totally useless | 0 |
0%
|
2 | 2. useless | 4 |
10.5%
|
3 | 3. sometimes useless, sometimes useful | 6 |
15.8%
|
4 | 4. useful | 15 |
39.5%
|
5 | 5. very useful | 10 |
26.3%
|
9 | 9. don't know | 3 |
7.9%
|
Sysmiss | 61 |