| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal to answer |
| -7 | Does not apply |
| 125 | |
| 150 | |
| 200 | |
| 213 | |
| 214 | |
| 230 | |
| 260 | |
| 265 | |
| 270 | |
| 275 | |
| 280 | |
| 282 | |
| 300 | |
| 310 | |
| 320 | |
| 325 | |
| 330 | |
| 350 | |
| 375 | |
| 400 | |
| 425 | |
| 450 | |
| 460 | |
| 500 | |
| 510 | |
| 550 | |
| 580 | |
| 600 | |
| 614 | |
| 650 | |
| 700 | |
| 750 | |
| 775 | |
| 800 | |
| 810 | |
| 856 | |
| 860 | |
| 862 | |
| 900 | |
| 1000 | |
| 1200 | |
| 1224 | |
| 1500 | |
| 1600 | |
| 1670 | |
| 1900 | |
| Sysmiss |