| Value | Category | 
|---|---|
| -9 | Don't know | 
| -8 | Refusal | 
| -7 | Does not apply | 
| 50000 | |
| 200000 | |
| 300000 | |
| 400000 | |
| 1000000 | |
| 1300000 | |
| 2000000 | |
| 3000000 | |
| 5000000 | |
| 7000000 | |
| 8000000 | |
| 9000000 | |
| 10000000 | |
| 11000000 | |
| 12000000 | |
| 13000000 | |
| 16000000 | |
| 20000000 | |
| 21000000 | |
| 22000000 | |
| 25000000 | |
| 38350000 | |
| 40000000 | |
| 45000000 | |
| 50000000 | |
| 65000000 | |
| 80000000 | |
| 81000000 | |
| 100000000 | |
| 200000000 | |
| 216000000 | |
| 300000000 | |
| 350000000 | |
| 540000000 | |
| 600000000 | |
| 770000000 | |
| 900000000 | |
| 1000000000 | |
| 1500000000 | |
| 3000000000 | |
| 35000000000 | |
| Sysmiss |