| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| -2 | Not asked in Phase 2 |
| 1 | |
| 2 | |
| 3 | |
| 5 | |
| 6 | |
| 50 | |
| 60 | |
| 69 | |
| 70 | |
| 80 | |
| 85 | |
| 90 | |
| 93 | |
| 99 | |
| 100 | |
| 110 | |
| 120 | |
| 130 | |
| 150 | |
| 160 | |
| 168 | |
| 170 | |
| 180 | |
| 190 | |
| 200 | |
| 206 | |
| 210 | |
| 220 | |
| 250 | |
| 260 | |
| 270 | |
| 280 | |
| 300 | |
| 310 | |
| 345 | |
| 358 | |
| 360 | |
| 370 | |
| 384 | |
| 400 | |
| 450 | |
| 480 | |
| 500 | |
| 510 | |
| 550 | |
| 576 | |
| 600 | |
| 650 | |
| 800 | |
| 850 | |
| 900 | |
| 1000 | |
| 1200 | |
| 1420 | |
| 2500 | |
| 11000 | |
| 20000 | |
| 25000 | |
| Sysmiss |