| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 264 |
9.5%
|
| 1 | Yes | 2493 |
89.5%
|
| 5 | missing | 0 |
0%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 28 |
1%
|
| Sysmiss | 19 |