| Value |
Category |
| 1 |
Not home |
| 2 |
During entire |
| 3 |
Survey period |
| 4 |
Too ill |
| 5 |
Handicapped/deformed |
| 6 |
Not willing |
| 7 |
Other |
| 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.