| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2 |
0.3%
|
| 2 | No | 67 |
9.4%
|
| 3 | No, but indicated | 16 |
2.3%
|
| 8 | Unknown | 8 |
1.1%
|
| 88 | N/A | 618 |
86.9%
|
| Sysmiss | 870 |