| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| -2 | Not asked in Phase 2 |
| 1 | |
| 2 | |
| 3 | |
| 6 | |
| 8 | |
| 10 | |
| 15 | |
| 16 | |
| 19 | |
| 20 | |
| 23 | |
| 25 | |
| 30 | |
| 35 | |
| 36 | |
| 38 | |
| 40 | |
| 49 | |
| 50 | |
| 55 | |
| 56 | |
| 59 | |
| 60 | |
| 70 | |
| 74 | |
| 75 | |
| 79 | |
| 80 | |
| 90 | |
| 100 | |
| 102 | |
| 110 | |
| 120 | |
| 130 | |
| 150 | |
| 160 | |
| 170 | |
| 180 | |
| 200 | |
| 240 | |
| 250 | |
| 280 | |
| 300 | |
| 320 | |
| 350 | |
| 380 | |
| 400 | |
| 500 | |
| 520 | |
| 600 | |
| 750 | |
| 800 | |
| 1000 | |
| 1080 | |
| 1500 | |
| Sysmiss |