| Value |
Category |
| 1 |
beginner level |
| 2 |
intermediate level |
| 3 |
expert level |
| 4 |
v.r.: I can't do this 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.
