Value | Category |
---|---|
-99 | Refusal |
-88 | Not provided |
-77 | Not applicable |
-66 | Dont know |
1 | January |
2 | February |
3 | March |
4 | April |
5 | May |
6 | June |
7 | July |
8 | August |
9 | September |
10 | October |
11 | November |
12 | December |
88 | Still working |
Sysmiss |