| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2452 |
34.3%
|
| 1 | Yes | 4688 |
65.7%
|
| 88 | N/A | 1091 | |
| 98 | 68 | ||
| 99 | 59 | ||
| Sysmiss | 770 |