| Value |
Category |
| 1 |
Very badly |
| 2 |
Fairly badly |
| 3 |
Fairly well |
| 4 |
Very well |
| 9 |
Don't know |
| 99 |
n/a |
| Sysmiss |
|
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.