| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2934 |
93.1%
|
| 1 | Yes | 5 |
0.2%
|
| 5 | missing | 2 |
0.1%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 209 |
6.6%
|
| Sysmiss | 1486 |