| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2592 |
3.5%
|
| 2 | No | 18162 |
24.4%
|
| 3 | Don't know | 31 |
0%
|
| 8 | Not applicable | 52953 |
71.1%
|
| 9 | Unspecified | 711 |
1%
|