| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 113 |
4.1%
|
| 1 | Yes | 151 |
5.4%
|
| 5 | missing | 0 |
0%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 2521 |
90.5%
|
| Sysmiss | 19 |