| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 44 |
6.2%
|
| 2 | No | 206 |
28.9%
|
| 8 | Unknown | 3 |
0.4%
|
| 88 | N/A | 459 |
64.5%
|
| Sysmiss | 869 |