| Value |
Category |
| 1 |
Nothing |
| 2 |
More than usual |
| 3 |
About the same |
| 4 |
Less than usual |
| 7 |
Missing |
| 9 |
DK |
| 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.