| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 400000 | |
| 500000 | |
| 1000000 | |
| 1500000 | |
| 2000000 | |
| 4000000 | |
| 4800000 | |
| 5000000 | |
| 6000000 | |
| 9000000 | |
| 10000000 | |
| 15000000 | |
| 20000000 | |
| 30000000 | |
| 35000000 | |
| 40000000 | |
| 50000000 | |
| 60000000 | |
| 75000000 | |
| 80000000 | |
| 100000000 | |
| 130000000 | |
| 160000000 | |
| 200000000 | |
| 220000000 | |
| 400000000 | |
| 600000000 | |
| 1000000000 | |
| 1080000000 | |
| 12000000000 | |
| Sysmiss |