Value | Category | Cases | |
---|---|---|---|
1 | 1. totally useless | 0 |
0%
|
2 | 2. useless | 1 |
2.8%
|
3 | 3. sometimes useless, sometimes useful | 5 |
13.9%
|
4 | 4. useful | 22 |
61.1%
|
5 | 5. very useful | 7 |
19.4%
|
9 | 9. don't know | 1 |
2.8%
|
Sysmiss | 63 |