ipl8_for
-3
|
filtered
de
|
| -2
|
don't know/invalid
de
|
| -1
|
refuse
de
|
| 1
|
0
de
|
| 2
|
1 to 2
de
|
| 3
|
3 to 6
de
|
| 4
|
7 to 14
de
|
| 5
|
15 or more
de
|
