| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 300 | |
| 350 | |
| 800 | |
| 1000 | |
| 1500 | |
| 2000 | |
| 2500 | |
| 2800 | |
| 3000 | |
| 3500 | |
| 3600 | |
| 4000 | |
| 4200 | |
| 4800 | |
| 5000 | |
| 5200 | |
| 6000 | |
| 7000 | |
| 7500 | |
| 8000 | |
| 9000 | |
| 10000 | |
| 10200 | |
| 12000 | |
| 13700 | |
| 15000 | |
| 18000 | |
| 20000 | |
| 24000 | |
| 27000 | |
| 28000 | |
| 30000 | |
| 48000 | |
| 49703 | |
| 50000 | |
| 60000 | |
| 94000 | |
| 260000 | |
| Sysmiss |