| 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 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 24 | |
| 25 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | |
| 32 | |
| 35 | |
| 36 | |
| 40 | |
| 42 | |
| 45 | |
| 46 | |
| 50 | |
| 61 | |
| 70 | |
| 75 | |
| 80 | |
| 100 | |
| 101 | |
| 117 | |
| 120 | |
| 150 | |
| 180 | |
| 200 | |
| 310 | |
| 322 | |
| 400 | |
| 512 | |
| 2968 |