| Value |
Category |
| 1999 |
|
| 2008 |
|
| 2014 |
|
| 2018 |
|
| 2019 |
|
| 2020 |
|
| z |
Not applicable |
| d |
Inconsistency set to missing |
| a |
Don't know |
| b |
Refused to answer |
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.