| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 3 |
0.2%
|
| 1 | Yes | 1281 |
72.8%
|
| 2 | No | 472 |
26.8%
|
| 9 | No response | 4 |
0.2%
|
| Sysmiss | 1259 |