| Value | Category | Cases | |
|---|---|---|---|
| -66 | SKIP | 0 |
0%
|
| 0 | 134 |
13.9%
|
|
| 1 | yes | 9 |
0.9%
|
| 2 | no | 818 |
85.1%
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4009 |