Value |
Category |
-99 |
-99.DK |
-55 |
-55.Missing |
1 |
1.only one |
2 |
2.several time |
3 |
3.often |
4 |
4.too often |
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.