| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 0 |
0%
|
| 0 | No | 8142 |
81%
|
| 1 | Yes | 1916 |
19%
|
| 2147483624 | Refused to respond | 0 |
0%
|
| 11 | .Z | 7416 |