Value | Category | Cases | |
---|---|---|---|
1 | 1. totally useless | 0 |
0%
|
2 | 2. useless | 9 |
23.7%
|
3 | 3. sometimes useless, sometimes useful | 12 |
31.6%
|
4 | 4. useful | 16 |
42.1%
|
5 | 5. very useful | 1 |
2.6%
|
9 | 9. don't know | 0 |
0%
|
Sysmiss | 61 |