| 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 | |
| 0.100000001490116 | |
| 0.200000002980232 | |
| 0.300000011920929 | |
| 0.400000005960464 | |
| 0.5 | |
| 0.600000023841858 | |
| 0.699999988079071 | |
| 1 | |
| 1.5 | |
| 1.79999995231628 | |
| 2 | |
| 2.5 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 9.5 | |
| 10 | |
| 12 | |
| 13 | |
| 15 | |
| 17 | |
| 20 |