| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2132 |
72.9%
|
| 1 | Yes: RHS - spontaneous | 0 |
0%
|
| 2 | Yes: RHS - probed | 787 |
26.9%
|
| 8 | Don't know | 6 |
0.2%
|
| 9 | 28 | ||
| Sysmiss | 80638 |