Value | Category |
---|---|
-999 | missing |
-777 | not applicable |
-666 | don't know |
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 | |
26 | |
27 | |
28 | |
29 | |
30 | |
31 | |
33 | |
36 | |
77 | NOT APPLICABLE |
88 | DON'T KNOW |
99 | MISSING |
101 | .R |