| 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 |
| 1513 | |
| 1514 | |
| 1531 | |
| 1533 | |
| 1541 | |
| 1542 | |
| 1544 | |
| 1549 | |
| 1554 | |
| 1711 | |
| 1729 | |
| 1810 | |
| 1920 | |
| 2022 | |
| 2109 | |
| 2211 | |
| 2213 | |
| 2222 | |
| 2421 | |
| 2422 | |
| 2424 | |
| 2429 | |
| 2520 | |
| 2610 | |
| 2693 | |
| 2731 | |
| 2732 | |
| 2811 | |
| 2899 | |
| 3592 | |
| 3610 | |
| 4520 | |
| 5150 | |
| 5220 | |
| 5231 | |
| 5232 | |
| 5233 | |
| 5234 | |
| 5239 | |
| 5260 | |
| 5510 | |
| 5520 | |
| 7493 | |
| 7494 | |
| 7499 | |
| Sysmiss |