| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 3530 |
88.9%
|
| 1 | Yes | 370 |
9.3%
|
| 7 | 1 |
0%
|
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 70 |
1.8%
|
| Sysmiss | 8940 |