| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1750 |
86.2%
|
| 1 | Yes | 273 |
13.5%
|
| 8 | Unknown | 3 |
0.1%
|
| 9 | Missing | 3 |
0.1%
|
| Sysmiss | 655 |