| 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 | |
| 1513 | |
| 1514 | |
| 1520 | |
| 1531 | |
| 1541 | |
| 1543 | |
| 1544 | |
| 1549 | |
| 1551 | |
| 1554 | |
| 1721 | |
| 1729 | |
| 1810 | |
| 1911 | |
| 1912 | |
| 1920 | |
| 2010 | |
| 2021 | |
| 2022 | |
| 2029 | |
| 2101 | |
| 2102 | |
| 2109 | |
| 2211 | |
| 2221 | |
| 2222 | |
| 2320 | |
| 2411 | |
| 2412 | |
| 2413 | |
| 2421 | |
| 2422 | |
| 2423 | |
| 2424 | |
| 2429 | |
| 2430 | |
| 2511 | |
| 2519 | |
| 2520 | |
| 2610 | |
| 2693 | |
| 2694 | |
| 2695 | |
| 2731 | |
| 2811 | |
| 2812 | |
| 2891 | |
| 2893 | |
| 2899 | |
| 2912 | |
| 2913 | |
| 2915 | |
| 2919 | |
| 2924 | |
| 2925 | |
| 2929 | |
| 3110 | |
| 3120 | |
| 3130 | |
| 3150 | |
| 3190 | |
| 3220 | |
| 3610 | |
| 3691 | |
| 3699 | |
| 4520 | |
| 5143 | |
| 5211 | |
| 5220 | |
| 5230 | |
| 5232 | |
| 5239 | |
| 5259 | |
| 5260 | |
| 5520 | |
| 6420 | |
| 7412 | |
| 9302 | |
| Sysmiss |