| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 0 | |
| 400000 | |
| 3500000 | |
| 4500000 | |
| 7000000 | |
| 12000000 | |
| 15000000 | |
| 16000000 | |
| 18000000 | |
| 20000000 | |
| 21200000 | |
| 23000000 | |
| 40000000 | |
| 200000000 | |
| 290000000 | |
| 350000000 | |
| 1050000000 | |
| 1116000000 | |
| 1200000000 | |
| 1300000000 | |
| 10000000000 | |
| Sysmiss |