| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| -2 | Not asked in Phase 2 |
| 1 | |
| 2 | |
| 3 | |
| 5 | |
| 8 | |
| 9 | |
| 10 | |
| 20 | |
| 40 | |
| 50 | |
| 60 | |
| 70 | |
| 75 | |
| 80 | |
| 90 | |
| 100 | |
| 120 | |
| 140 | |
| 150 | |
| 160 | |
| 170 | |
| 180 | |
| 190 | |
| 200 | |
| 210 | |
| 220 | |
| 230 | |
| 250 | |
| 260 | |
| 270 | |
| 275 | |
| 280 | |
| 289 | |
| 290 | |
| 300 | |
| 320 | |
| 330 | |
| 350 | |
| 360 | |
| 380 | |
| 400 | |
| 410 | |
| 450 | |
| 485 | |
| 500 | |
| 560 | |
| 600 | |
| 650 | |
| 750 | |
| 800 | |
| 1000 | |
| 1200 | |
| 1300 | |
| 1400 | |
| 1800 | |
| 2000 | |
| 2100 | |
| 2500 | |
| 12000 | |
| Sysmiss |