Value | Category | Cases | |
---|---|---|---|
1 | 1. totally useless | 3 |
8.3%
|
2 | 2. useless | 10 |
27.8%
|
3 | 3. sometimes useless, sometimes useful | 5 |
13.9%
|
4 | 4. useful | 13 |
36.1%
|
5 | 5. very useful | 3 |
8.3%
|
9 | 9. don't know | 2 |
5.6%
|
Sysmiss | 63 |