| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 28 |
4%
|
| 2 | No | 663 |
95.7%
|
| 3 | Don't know | 1 |
0.1%
|
| 4 | Refused | 1 |
0.1%
|
| Sysmiss | 307 |