| Value | Category | Cases | |
|---|---|---|---|
| 1 | Useless | 44 |
6.1%
|
| 2 | Not very useful | 38 |
5.3%
|
| 3 | Average | 64 |
8.9%
|
| 4 | Useful | 577 |
79.8%
|
| Sysmiss | 10557 |