| 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 | |
| 12 | |
| 20 | |
| 25 | |
| 28 | |
| 30 | |
| 35 | |
| 40 | |
| 45 | |
| 50 | |
| 55 | |
| 60 | |
| 65 | |
| 70 | |
| 72 | |
| 80 | |
| 90 | |
| 100 | |
| 109 | |
| 120 | |
| 130 | |
| 140 | |
| 150 | |
| 155 | |
| 170 | |
| 179 | |
| 180 | |
| 185 | |
| 199 | |
| 200 | |
| 209 | |
| 230 | |
| 250 | |
| 300 | |
| 330 | |
| 333 | |
| 350 | |
| 360 | |
| 400 | |
| 435 | |
| 500 | |
| 520 | |
| 560 | |
| 600 | |
| 650 | |
| 750 | |
| 800 | |
| 840 | |
| 900 | |
| 1000 | |
| 1200 | |
| 1500 | |
| 1600 | |
| 1800 | |
| 2000 | |
| 3000 | |
| 7000 | |
| 8000 | |
| 10000 | |
| Sysmiss |