| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal to answer |
| -7 | Does not apply |
| 110 | |
| 340 | |
| 400 | |
| 420 | |
| 450 | |
| 460 | |
| 480 | |
| 490 | |
| 500 | |
| 510 | |
| 516 | |
| 520 | |
| 540 | |
| 550 | |
| 560 | |
| 600 | |
| 650 | |
| 700 | |
| 750 | |
| 800 | |
| 840 | |
| 850 | |
| 900 | |
| 950 | |
| 1000 | |
| 1050 | |
| 1100 | |
| 1200 | |
| 1250 | |
| 1300 | |
| 1360 | |
| 1400 | |
| 1460 | |
| 1500 | |
| 1600 | |
| 1700 | |
| 1800 | |
| 1850 | |
| 1900 | |
| 1980 | |
| 2000 | |
| 2108 | |
| 2200 | |
| 2390 | |
| 2500 | |
| 2600 | |
| 2800 | |
| 3000 | |
| 3500 | |
| 4000 | |
| 4200 | |
| 4500 | |
| 4800 | |
| 5000 | |
| 6000 | |
| 7000 | |
| 9000 | |
| Sysmiss |