| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 200 | |
| 210 | |
| 220 | |
| 350 | |
| 400 | |
| 420 | |
| 500 | |
| 510 | |
| 540 | |
| 560 | |
| 590 | |
| 600 | |
| 608 | |
| 610 | |
| 620 | |
| 640 | |
| 650 | |
| 660 | |
| 670 | |
| 680 | |
| 780 | |
| 840 | |
| 870 | |
| 934 | |
| 1000 | |
| 1005 | |
| 1040 | |
| 1070 | |
| 1100 | |
| 1200 | |
| 1220 | |
| 1240 | |
| 1280 | |
| 1300 | |
| 1500 | |
| 1800 | |
| 1840 | |
| 1860 | |
| 2000 | |
| 2600 | |
| 3460 | |
| Sysmiss |