| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1022 |
27.1%
|
| 1 | Yes | 2750 |
72.9%
|
| 88 | N/A | 4536 | |
| 98 | 34 | ||
| 99 | 16 | ||
| Sysmiss | 770 |