| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| -2 | Not asked in Phase 2 |
| 30 | |
| 800 | |
| 900 | |
| 1200 | |
| 1700 | |
| 2000 | |
| 2400 | |
| 3000 | |
| 3600 | |
| 4000 | |
| 4800 | |
| 5000 | |
| 5700 | |
| 6000 | |
| 6300 | |
| 6500 | |
| 6600 | |
| 7000 | |
| 8000 | |
| 8240 | |
| 9000 | |
| 9600 | |
| 10000 | |
| 12000 | |
| 13000 | |
| 16000 | |
| 18000 | |
| 20000 | |
| 20800 | |
| 24000 | |
| 25000 | |
| 27000 | |
| 27300 | |
| 30000 | |
| 33600 | |
| 38000 | |
| 40500 | |
| 42000 | |
| 45000 | |
| 80000 | |
| 110000 | |
| 120000 | |
| 160000 | |
| 187500 | |
| Sysmiss |