| Value |
Category |
| 1 |
some difficulty |
| 2 |
a lot of difficulty |
| 3 |
cannot do at all |
| 98 |
don't know |
| 99 |
refuse to answer |
| Missing value |
|
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.
