| Value | Category |
|---|---|
| -9 | Don't know (spontaneous) |
| -8 | Refusal (spontaneous) |
| -7 | Does not apply |
| 0 | |
| 9000 | |
| 10000 | |
| 10500 | |
| 12000 | |
| 13500 | |
| 14000 | |
| 15000 | |
| 15500 | |
| 16200 | |
| 17000 | |
| 18000 | |
| 18200 | |
| 20000 | |
| 25000 | |
| 30000 | |
| 40000 | |
| 55000 | |
| 120000 | |
| 160000 | |
| 200000 | |
| 240000 | |
| 250000 | |
| 300000 | |
| 350000 | |
| 378000 | |
| 600000 | |
| 700000 | |
| 1000000 | |
| 1500000 | |
| 1600000 | |
| 6500000 | |
| 24000000 | |
| Sysmiss |