| Value | Category | 
|---|---|
| -9 | Don't know | 
| -8 | Refusal | 
| -7 | Does not apply | 
| 1000000 | |
| 1200000 | |
| 1500000 | |
| 2500000 | |
| 3000000 | |
| 3500000 | |
| 3600000 | |
| 5000000 | |
| 6200000 | |
| 7050000 | |
| 8640000 | |
| 9000000 | |
| 9500000 | |
| 10000000 | |
| 11000000 | |
| 12000000 | |
| 14000000 | |
| 19200000 | |
| 22000000 | |
| 35000000 | |
| 36800000 | |
| 40000000 | |
| 60000000 | |
| 509000000 | |
| 705000000 | |
| Sysmiss |