| Value |
Category |
| 1 |
Improved considerably |
| 2 |
Improved somewhat |
| 3 |
Has not changed |
| 4 |
Became worse |
| 9 |
DK/NR |
| 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.