| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 25 |
0.9%
|
| 1 | Yes | 1 |
0%
|
| 5 | missing | 1 |
0%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 2757 |
99%
|
| Sysmiss | 20 |