| Value | Category | Cases | |
|---|---|---|---|
| -66 | SKIP | 0 |
0%
|
| 0 | 220 |
23.2%
|
|
| 1 | yes | 691 |
72.9%
|
| 2 | no | 37 |
3.9%
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4022 |