| Value |
Category |
| -9 |
Don't know (spontaneous) |
| -8 |
Refusal (spontaneous) |
| -7 |
Does not apply |
| 2014 |
|
| 2015 |
|
| 2016 |
|
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.
