| Value | Category |
|---|---|
| -9 | don't know |
| -8 | refusal |
| 0 | |
| 100 | |
| 135 | |
| 140 | |
| 160 | |
| 165 | |
| 180 | |
| 185 | |
| 200 | |
| 245 | |
| 280 | |
| 286 | |
| 300 | |
| 322 | |
| 350 | |
| 370 | |
| 400 | |
| 500 | |
| 560 | |
| 600 | |
| 640 | |
| 675 | |
| 690 | |
| 700 | |
| 800 | |
| 850 | |
| 950 | |
| 972 | |
| 976 | |
| 980 | |
| 1000 | |
| 1200 | |
| 1370 | |
| 1500 | |
| 1600 | |
| 1725 | |
| 1900 | |
| 2000 | |
| 2500 | |
| 2800 | |
| 3000 | |
| 3500 | |
| 4000 | |
| 4760 | |
| 5000 | |
| 6000 | |
| 7000 | |
| 10000 | |
| 12000 | |
| 25000 | |
| 30000 | |
| 35000 | |
| 37479 | |
| 45000 | |
| Sysmiss |