| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 68 |
10.4%
|
| 2 | No | 575 |
88.2%
|
| 8 | Don't know | 7 |
1.1%
|
| 9 | Refused | 2 |
0.3%
|
| Sysmiss | 348 |