| Value | Category | Cases | |
|---|---|---|---|
| 0 | 88 |
1.8%
|
|
| 1 | yes | 4880 |
98.2%
|
| 2 | no | 0 |
0%
|
| 77 | refused | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 2 |