| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 513 |
0.1%
|
| 1 | Yes | 2195 |
0.5%
|
| 3 | Don't know | 79 |
0%
|
| 8 | Not asked | 0 |
0%
|
| 9 | Missing | 441277 |
99.4%
|