| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal to answer |
| -7 | Does not apply |
| 600 | |
| 800 | |
| 900 | |
| 1000 | |
| 1100 | |
| 1190 | |
| 1200 | |
| 1250 | |
| 1260 | |
| 1310 | |
| 1400 | |
| 1440 | |
| 1450 | |
| 1500 | |
| 1540 | |
| 1550 | |
| 1600 | |
| 1650 | |
| 1680 | |
| 1700 | |
| 1750 | |
| 1800 | |
| 1850 | |
| 1878 | |
| 1900 | |
| 2000 | |
| 2100 | |
| 2200 | |
| 2250 | |
| 2300 | |
| 2400 | |
| 2450 | |
| 2500 | |
| 2600 | |
| 2700 | |
| 2800 | |
| 2900 | |
| 3000 | |
| 3100 | |
| 3120 | |
| 3200 | |
| 3450 | |
| 3500 | |
| 3600 | |
| 4000 | |
| 4200 | |
| 4500 | |
| 4800 | |
| 5000 | |
| 5100 | |
| 5500 | |
| 6000 | |
| 7000 | |
| 8000 | |
| 9000 | |
| 10875 | |
| 13000 | |
| 24000 | |
| 25000 | |
| 28000 | |
| 60000 | |
| 100000 | |
| Sysmiss |