| Value |
Category |
| -99 |
Observation not possible |
| 1 |
Yes, option G9.1=1-11 |
| 2 |
Yes, option G9.1=31,32,33,-96 |
| 3 |
No |
| 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.