| Value | Category | Cases | |
|---|---|---|---|
| -66 | SKIP | 0 |
0%
|
| 0 | 4 |
13.8%
|
|
| 1 | yes | 12 |
41.4%
|
| 2 | no | 13 |
44.8%
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4941 |