CONTROL INFORMATION [TO BE COMPLETED BEFORE INTERVIEW]
Categories
Value
Category
3
6
9
10
12
15
18
21
24
25
27
30
31
33
36
39
42
45
48
51
54
57
63
66
72
75
78
81
84
87
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.