| Value |
Category |
| -99 |
Refused |
| -96 |
Other |
| 1 |
Measured |
| 2 |
Absent |
| a |
Not applicable |
| b |
Don't know |
| c |
Refused to respond |
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.