| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 70 | |
| 600 | |
| 1000 | |
| 1200 | |
| 1350 | |
| 1404 | |
| 1440 | |
| 1500 | |
| 1600 | |
| 1800 | |
| 2000 | |
| 2100 | |
| 2400 | |
| 2500 | |
| 2600 | |
| 2800 | |
| 2808 | |
| 2850 | |
| 3000 | |
| 3500 | |
| 4000 | |
| 4300 | |
| 5000 | |
| 6000 | |
| 8000 | |
| 8500 | |
| 10000 | |
| 11200 | |
| 11500 | |
| 12000 | |
| 15000 | |
| 20000 | |
| 24000 | |
| 25000 | |
| 30000 | |
| 32760 | |
| 33360 | |
| 50000 | |
| 52000 | |
| 60000 | |
| 70000 | |
| 100000 | |
| Sysmiss |