| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 248 |
9%
|
| 1 | Yes | 35 |
1.3%
|
| 5 | missing | 0 |
0%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 2486 |
89.8%
|
| Sysmiss | 35 |