| Value |
Category |
| 1 |
Much higher |
| 2 |
Higher |
| 3 |
More or less the same |
| 4 |
Lower |
| 5 |
Much lower |
| 9 |
Unspecified |
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.
