| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 41 |
4.1%
|
| 2 | No | 263 |
26.4%
|
| 3 | Don't know | 2 |
0.2%
|
| 8 | Not applicable | 680 |
68.1%
|
| 9 | Unspecified | 12 |
1.2%
|