| Value |
Category |
| 1 |
Observed at least 1 valid |
| 2 |
Observed, but none valid |
| 3 |
Reported available, not seen |
| 4 |
Not available today/Don't know |
| 5 |
Never available |
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.