| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 24 |
0.8%
|
| 2 | No | 3143 |
98.4%
|
| 8 | Don't know | 21 |
0.7%
|
| 9 | Refusal | 5 |
0.2%
|
| Sysmiss | 5724 |