| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 13 |
1.3%
|
| 2 | No | 281 |
28.2%
|
| 3 | Don't know | 6 |
0.6%
|
| 8 | Not applicable | 694 |
69.5%
|
| 9 | Unspecified | 4 |
0.4%
|