| Value | Category | 
|---|---|
| -9 | Don't know | 
| -8 | Refused to answer | 
| -7 | Not applicable | 
| -6 | Still in process | 
| -5 | Application denied | 
| -4 | Skipped | 
| -3 | Not provided | 
| 200 | |
| 250 | |
| 300 | |
| 350 | |
| 400 | |
| 450 | |
| 500 | |
| 600 | |
| 650 | |
| 700 | |
| 800 | |
| 850 | |
| 900 | |
| 1000 | |
| 1200 | |
| 1400 | |
| 1500 | |
| 1600 | |
| 1650 | |
| 1700 | |
| 1800 | |
| 2000 | |
| 2040 | |
| 2080 | |
| 2100 | |
| 2150 | |
| 2200 | |
| 2400 | |
| 2500 | |
| 2570 | |
| 2750 | |
| 2800 | |
| 3000 | |
| 3200 | |
| 3300 | |
| 3500 | |
| 3522 | |
| 3800 | |
| 4000 | |
| 5000 | |
| 6000 | |
| 6500 | |
| 13700 | |
| 20000 | |
| Sysmiss |