| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 203200 | |
| 250000 | |
| 305000 | |
| 350000 | |
| 500000 | |
| 540000 | |
| 800000 | |
| 950000 | |
| 1400000 | |
| 1440000 | |
| 1645000 | |
| 1750000 | |
| 1800000 | |
| 2000000 | |
| 2162000 | |
| 3000000 | |
| 3262583 | |
| 3400000 | |
| 4100000 | |
| 4128000 | |
| 9000000 | |
| 9600000 | |
| 14000000 | |
| 18400000 | |
| Sysmiss |