| Value | Category |
|---|---|
| -9 | Don't know (spontaneous) |
| -8 | Refusal (spontaneous) |
| -7 | Does not apply |
| 0 | |
| 15000 | |
| 36000 | |
| 50000 | |
| 60000 | |
| 65000 | |
| 72000 | |
| 85000 | |
| 96000 | |
| 100000 | |
| 108000 | |
| 120000 | |
| 150000 | |
| 180000 | |
| 200000 | |
| 220000 | |
| 240000 | |
| 280000 | |
| 288000 | |
| 300000 | |
| 350000 | |
| 360000 | |
| 400000 | |
| 430000 | |
| 500000 | |
| 600000 | |
| 756000 | |
| 1200000 | |
| Sysmiss |