| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 5 |
0.2%
|
| 2 | No | 2899 |
99.7%
|
| 77 | Don't know | 2 |
0.1%
|
| 99 | Refuse | 3 |
0.1%
|
| Sysmiss | 112 |