| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 44 | Deceased |
| 77 | Absent |
| 306800 | |
| 308929 | |
| 316907 | |
| 317354 | |
| 318528 | |
| 381428 | |
| 404596 | |
| 501824 | |
| 581531 | |
| 582680 | |
| 591034 | |
| 591649 | |
| 702435 | |
| 715006 | |
| 750476 | |
| 752143 | |
| 763885 | |
| 765362 | |
| 766730 | |
| 772711 | |
| 776729 | |
| 777974 | |
| Sysmiss |