| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 0 | |
| 20000 | |
| 24000 | |
| 25000 | |
| 50000 | |
| 120000 | |
| 150000 | |
| 200000 | |
| 260000 | |
| 300000 | |
| 500000 | |
| 600000 | |
| 750000 | |
| 1000000 | |
| 1200000 | |
| 1800000 | |
| 2000000 | |
| 2200000 | |
| 2250000 | |
| 3000000 | |
| 4000000 | |
| 4500000 | |
| 7000000 | |
| 10000000 | |
| 15000000 | |
| 20000000 | |
| 35000000 | |
| Sysmiss |