| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2911 |
92.4%
|
| 1 | Yes | 31 |
1%
|
| 5 | missing | 2 |
0.1%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 206 |
6.5%
|
| Sysmiss | 1486 |