| 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 |
| 1511 | |
| 1512 | |
| 1520 | |
| 1531 | |
| 1533 | |
| 1541 | |
| 1549 | |
| 1551 | |
| 1554 | |
| 1711 | |
| 1721 | |
| 1729 | |
| 1810 | |
| 1920 | |
| 2022 | |
| 2211 | |
| 2221 | |
| 2424 | |
| 2429 | |
| 2511 | |
| 2520 | |
| 2610 | |
| 2695 | |
| 2696 | |
| 2731 | |
| 2811 | |
| 2891 | |
| 2892 | |
| 2893 | |
| 2899 | |
| 2911 | |
| 3130 | |
| 3190 | |
| 3610 | |
| 3691 | |
| 3699 | |
| 5211 | |
| 5220 | |
| 5231 | |
| 5232 | |
| 5233 | |
| 5234 | |
| 5239 | |
| 5259 | |
| 5260 | |
| 5520 | |
| 6420 | |
| 7210 | |
| 7290 | |
| 7499 | |
| Sysmiss |