| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 18 |
2.6%
|
| 2 | No | 677 |
97.3%
|
| 3 | Don't know | 0 |
0%
|
| 4 | Refused | 1 |
0.1%
|
| Sysmiss | 311 |