| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many Problems | 1 |
0.1%
|
| 2 | Some Problems | 7 |
0.9%
|
| 3 | Few problems | 19 |
2.6%
|
| 4 | No problems | 712 |
96.3%
|
| Sysmiss | 3 |