| Value | Category |
|---|---|
| -9 | Don't Know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
| 0 | |
| 20 | |
| 40 | |
| 50 | |
| 80 | |
| 100 | |
| 120 | |
| 150 | |
| 160 | |
| 200 | |
| 220 | |
| 240 | |
| 250 | |
| 260 | |
| 270 | |
| 280 | |
| 300 | |
| 320 | |
| 350 | |
| 400 | |
| 450 | |
| 486 | |
| 500 | |
| 560 | |
| 580 | |
| 600 | |
| 700 | |
| 750 | |
| 800 | |
| 900 | |
| 1000 | |
| 1080 | |
| 1300 | |
| 1400 | |
| 1500 | |
| 1600 | |
| 1700 | |
| 2000 | |
| 2300 | |
| 2400 | |
| 2500 | |
| 3000 | |
| 3280 | |
| 3500 | |
| 4000 | |
| 6000 | |
| Sysmiss |