| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 72 |
1.8%
|
| 2 | No | 3909 |
96.8%
|
| 7 | Don't know | 46 |
1.1%
|
| 8 | Refused | 9 |
0.2%
|
| 9 | Missing | 2 |
0%
|
| Sysmiss | 142 |