| Value |
Category |
Cases |
|
| 1 |
Once every month |
131 |
|
| 2 |
Once every 2 months |
5 |
|
| 3 |
Once every 3 months |
12 |
|
| 97 |
Other |
0 |
|
| 98 |
DK |
27 |
|
| Sysmiss |
|
990 |
|
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.
