| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 45 |
4.5%
|
| 2 | No | 237 |
23.7%
|
| 3 | Don't know | 1 |
0.1%
|
| 8 | Not applicable | 699 |
70%
|
| 9 | Unspecified | 16 |
1.6%
|