| Value |
Category |
| 1 |
AT LEAST ONE VALID |
| 2 |
AVAILABLE NONE VALID |
| 3 |
REPORTED AVAILABLE NOT SEEN |
| 4 |
NOT AVAILABLE TODAY |
| 5 |
NEVER AVAILABLE |
| 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.