| 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 | |
| 1520 | |
| 1531 | |
| 1541 | |
| 1542 | |
| 1543 | |
| 1553 | |
| 1554 | |
| 1711 | |
| 1721 | |
| 1722 | |
| 1723 | |
| 1810 | |
| 1920 | |
| 2010 | |
| 2021 | |
| 2022 | |
| 2221 | |
| 2222 | |
| 2411 | |
| 2422 | |
| 2423 | |
| 2429 | |
| 2430 | |
| 2520 | |
| 2693 | |
| 2695 | |
| 2699 | |
| 2731 | |
| 2811 | |
| 2891 | |
| 2899 | |
| 2929 | |
| 3190 | |
| 3230 | |
| 3610 | |
| 3694 | |
| 4530 | |
| 5122 | |
| 5220 | |
| 5231 | |
| 5232 | |
| 5233 | |
| 5234 | |
| 5239 | |
| 5259 | |
| 5260 | |
| 5520 | |
| 7290 | |
| 7430 | |
| 7494 | |
| 7499 | |
| Sysmiss |