| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not very useful | 1 |
0.8%
|
| 2 | Somewhat useful | 18 |
15%
|
| 3 | Useful | 61 |
50.8%
|
| 4 | Very useful | 40 |
33.3%
|
| Sysmiss | 471 |