| Value |
Category |
| 1 |
No difficulty |
| 2 |
Some difficulty |
| 3 |
A lot of difficulty |
| 4 |
Cannot do at all |
| 5 |
Do not know |
| 6 |
Prefer not 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.