| Value |
Category |
| 1 |
Improved a lot |
| 2 |
Somewhat improved |
| 3 |
Remain the same |
| 4 |
Somewhat deteriorated |
| 5 |
Deteriorated a lot |
| 6 |
Don't know |
| 7 |
Refuse to answer |
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.