| Value | Category | Cases | |
|---|---|---|---|
| 1 | very useful | 268 |
80.2%
|
| 2 | somewhat useful | 33 |
9.9%
|
| 3 | not very useful | 16 |
4.8%
|
| 4 | not useful | 17 |
5.1%
|
| Sysmiss | 36 |