| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 297 |
6.4%
|
| 1 | Yes | 34 |
0.7%
|
| 5 | missing | 0 |
0%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 4294 |
92.8%
|
| Sysmiss | 11 |