| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 0 | |
| 50 | |
| 60 | |
| 65 | |
| 100 | |
| 130 | |
| 140 | |
| 150 | |
| 170 | |
| 190 | |
| 200 | |
| 245 | |
| 250 | |
| 300 | |
| 325 | |
| 350 | |
| 360 | |
| 390 | |
| 400 | |
| 420 | |
| 425 | |
| 450 | |
| 458 | |
| 500 | |
| 520 | |
| 600 | |
| 650 | |
| 700 | |
| 840 | |
| 1000 | |
| 1200 | |
| 1500 | |
| 1800 | |
| 2000 | |
| 3000 | |
| 3400 | |
| 3650 | |
| 4000 | |
| 5000 | |
| 5600 | |
| 7000 | |
| 12000 | |
| 14000 | |
| 30000 | |
| 34000 | |
| Sysmiss |