| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 120 | |
| 200 | |
| 300 | |
| 500 | |
| 600 | |
| 648 | |
| 720 | |
| 726 | |
| 800 | |
| 1000 | |
| 1200 | |
| 1400 | |
| 1500 | |
| 1560 | |
| 1600 | |
| 1800 | |
| 2000 | |
| 2160 | |
| 2400 | |
| 2500 | |
| 2748 | |
| 2800 | |
| 3000 | |
| 3120 | |
| 3600 | |
| 4000 | |
| 5000 | |
| 6000 | |
| 8000 | |
| 9000 | |
| 10000 | |
| 12000 | |
| 13600 | |
| 15000 | |
| 15500 | |
| 19200 | |
| 20000 | |
| 24000 | |
| 29000 | |
| 30000 | |
| 36000 | |
| 50000 | |
| 51000 | |
| 55200 | |
| 60000 | |
| 70000 | |
| 100000 | |
| 100800 | |
| 150000 | |
| 200000 | |
| 235000 | |
| 240000 | |
| 400000 | |
| Sysmiss |