| Value |
Category |
| -999 |
Not Applicable |
| -99 |
Unspecified |
| -9 |
Blank data |
| 1 |
Regularly throughout the year, or |
| 2 |
Only at some times during the year |
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.