| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 26 |
3.7%
|
| 2 | No | 217 |
30.5%
|
| 8 | Unknown | 3 |
0.4%
|
| 88 | N/A | 466 |
65.4%
|
| Sysmiss | 869 |