| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
50%
|
|
| 77 | refused | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| 100 | 1 |
50%
|
|
| Sysmiss | 4968 |