| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 16558 |
80%
|
| 1 | Yes | 4147 |
20%
|
| 2147483622 | Don't know | 0 |
0%
|
| 2147483623 | Refused to respond | 0 |
0%
|
| 2147483647 | Not administered | 0 |
0%
|
| 11 | .Z | 12441 | |
| Sysmiss | 9 |