| 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 |
| 0 | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 14 | |
| 15 | |
| 17 | |
| 19 | |
| 20 | |
| 21 | |
| 23 | |
| 25 | |
| 30 | |
| 33 | |
| 37 | |
| 40 | |
| 42 | |
| 43 | |
| 46 | |
| 49 | |
| 56 | |
| 70 | |
| 72 | |
| 74 | |
| 75 | |
| 80 | |
| 93 | |
| 130 | |
| 180 | |
| 190 | |
| 300 | |
| 1200 | |
| Sysmiss |