| Value |
Category |
| 1 |
Never know |
| 2 |
Sometimes know |
| 3 |
Usually know |
| 5 |
Missing |
| 6 |
Others |
| 7 |
Refusal |
| 8 |
DK |
| 9 |
NA |
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.