| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| -2 | Not asked in Phase 2 |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 10 | |
| 20 | |
| 25 | |
| 30 | |
| 34 | |
| 45 | |
| 50 | |
| 60 | |
| 70 | |
| 80 | |
| 100 | |
| 118 | |
| 120 | |
| 130 | |
| 145 | |
| 150 | |
| 170 | |
| 180 | |
| 200 | |
| 249 | |
| 250 | |
| 260 | |
| 267 | |
| 289 | |
| 300 | |
| 310 | |
| 329 | |
| 350 | |
| 370 | |
| 400 | |
| 465 | |
| 500 | |
| 550 | |
| 580 | |
| 600 | |
| 650 | |
| 800 | |
| 1000 | |
| 1200 | |
| 1480 | |
| 1500 | |
| 4000 | |
| Sysmiss |