| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 0 | |
| 1000 | |
| 1538 | |
| 1800 | |
| 2000 | |
| 3000 | |
| 4500 | |
| 5000 | |
| 7000 | |
| 8000 | |
| 9700 | |
| 10000 | |
| 12000 | |
| 13000 | |
| 15000 | |
| 20000 | |
| 22000 | |
| 36000 | |
| 43000 | |
| 45562 | |
| 60000 | |
| 68000 | |
| 69000 | |
| 73000 | |
| 170000 | |
| 192000 | |
| 268000 | |
| 280000 | |
| 352000 | |
| 400000 | |
| 410000 | |
| 815000 | |
| 2400000 | |
| 2549000 | |
| 2627000 | |
| Sysmiss |