| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6 |
1.3%
|
| 2 | No | 455 |
95.6%
|
| 8 | Don't know | 15 |
3.2%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 525 |