| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 0 | |
| 60 | |
| 2400 | |
| 9096 | |
| 10000 | |
| 12000 | |
| 12124 | |
| 15000 | |
| 15600 | |
| 16000 | |
| 16800 | |
| 20000 | |
| 23863 | |
| 24000 | |
| 24593 | |
| 25453 | |
| 26600 | |
| 30000 | |
| 32000 | |
| 33770 | |
| 34431 | |
| 40655 | |
| 48000 | |
| 50500 | |
| 50736 | |
| 54000 | |
| 55000 | |
| 68120 | |
| 72000 | |
| 100000 | |
| 115568 | |
| 120000 | |
| 120238 | |
| 153010 | |
| 160000 | |
| 168561 | |
| 170000 | |
| 188456 | |
| 314445 | |
| 557614 | |
| 709126 | |
| 780267 | |
| 1140049 | |
| 1200000 | |
| 1487289 | |
| Sysmiss |