| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 325 |
0.1%
|
| 1 | Yes | 527 |
0.1%
|
| 3 | Don't know | 18 |
0%
|
| 8 | Not asked | 0 |
0%
|
| 9 | Missing | 443194 |
99.8%
|