| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 618586 | 1 |
50%
|
|
| 620970 | 1 |
50%
|
|
| Sysmiss | 1748 |