| Value |
Category |
| 0 |
not reported |
| 1 |
once in a day |
| 2 |
once in a week but not in a day |
| 3 |
once in a month but not in a week |
| 4 |
once in a month |
| 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.