| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 180 |
18%
|
| 2 | No | 286 |
28.7%
|
| 3 | Don't know | 3 |
0.3%
|
| 8 | Not applicable | 520 |
52.1%
|
| 9 | Unspecified | 9 |
0.9%
|