Value |
Category |
0 |
Not given |
21 |
|
23 |
|
28 |
|
44 |
Marked on card |
97 |
Inconsistent |
98 |
DK |
99 |
Missing |
Sysmiss |
|
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.