Value |
Category |
0 |
Not given |
2011 |
|
2012 |
|
2013 |
|
4444 |
Marked on card |
6666 |
Mother reported |
9998 |
dk |
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.