| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 5 | |
| 10 | |
| 15 | |
| 20 | |
| 30 | |
| 40 | |
| 50 | |
| 55 | |
| 70 | |
| 80 | |
| 86 | |
| 90 | |
| 98 | |
| 100 | |
| 110 | |
| 120 | |
| 130 | |
| 135 | |
| 139 | |
| 140 | |
| 150 | |
| 160 | |
| 165 | |
| 180 | |
| 200 | |
| 210 | |
| 220 | |
| 230 | |
| 250 | |
| 255 | |
| 260 | |
| 265 | |
| 286 | |
| 290 | |
| 300 | |
| 305 | |
| 320 | |
| 330 | |
| 339 | |
| 350 | |
| 360 | |
| 379 | |
| 390 | |
| 400 | |
| 500 | |
| 520 | |
| 600 | |
| 660 | |
| 800 | |
| 2000 | |
| Sysmiss |