| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 7 |
0.7%
|
| 2 | No | 944 |
97.6%
|
| 3 | Don't know | 16 |
1.7%
|
| 4 | Refused | 0 |
0%
|
| Sysmiss | 33 |