| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 324 |
7%
|
| 1 | Yes | 11 |
0.2%
|
| 5 | missing | 0 |
0%
|
| 7 | 1 |
0%
|
|
| 8 | dtk | 1 |
0%
|
| 9 | na | 4288 |
92.7%
|
| Sysmiss | 11 |