| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many problems | 18 |
1.9%
|
| 2 | Some problems | 44 |
4.7%
|
| 3 | Few problems | 70 |
7.5%
|
| 4 | No problems | 802 |
85.9%
|
| Sysmiss | 1 |