| Value | Category | Cases | |
|---|---|---|---|
| 1 | Useless | 70 |
6.1%
|
| 2 | Not very useful | 72 |
6.3%
|
| 3 | Average | 65 |
5.7%
|
| 4 | Useful | 937 |
81.9%
|
| Sysmiss | 10136 |