| 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 | |
| 4 | |
| 5 | |
| 7 | |
| 8 | |
| 10 | |
| 13 | |
| 15 | |
| 20 | |
| 23 | |
| 24 | |
| 25 | |
| 28 | |
| 29 | |
| 30 | |
| 31 | |
| 35 | |
| 40 | |
| 41 | |
| 45 | |
| 47 | |
| 48 | |
| 49 | |
| 50 | |
| 53 | |
| 59 | |
| 60 | |
| 61 | |
| 64 | |
| 65 | |
| 70 | |
| 75 | |
| 80 | |
| 85 | |
| 90 | |
| 95 | |
| 96 | |
| 100 |