| Value | Category |
|---|---|
| -9 | Don't know (spontaneous) |
| -8 | Refusal (spontaneous) |
| 2014 | |
| 180000 | |
| 300000 | |
| 1000000 | |
| 2000000 | |
| 3000000 | |
| 4000000 | |
| 5000000 | |
| 8000000 | |
| 10000000 | |
| 15000000 | |
| 22000000 | |
| 25000000 | |
| 30000000 | |
| 90000000 | |
| 100000000 | |
| 110000000 | |
| 250000000 | |
| 300000000 | |
| 455000000 | |
| 500000000 | |
| 700000000 | |
| 714000000 | |
| 1000000000 | |
| 1500000000 | |
| 1900000000 | |
| 4000000000 | |
| Sysmiss |