| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Refused to answer | 0 |
0%
|
| 0 | No | 1554 |
70.7%
|
| 1 | Yes | 643 |
29.3%
|
| Sysmiss | 431 |