| Value |
Category |
| 101 |
One day |
| 201 |
One week |
| 203 |
|
| 301 |
One month |
| 302 |
|
| 304 |
|
| 308 |
|
| 310 |
|
| 312 |
|
| 401 |
One year |
| 404 |
|
| 999 |
|
| 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.
