| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 7 |
0.7%
|
| 2 | No | 4 |
0.4%
|
| 3 | Don't know | 0 |
0%
|
| 8 | Not applicable | 987 |
98.9%
|
| 9 | Unspecified | 0 |
0%
|