| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 836 |
36.6%
|
| 1 | Yes | 448 |
19.6%
|
| 2 | 999 |
43.8%
|
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 31 |