| Value | Category | Cases | |
|---|---|---|---|
| 1 | Refuses to give an answer | 0 |
0%
|
| 2 | Don't know | 1 |
0.2%
|
| 3 | No | 0 |
0%
|
| 4 | Yes | 661 |
99.8%
|
| Sysmiss | 18435 |