| Value |
Category |
| -9 |
Don't know (spontaneous) |
| -7 |
Refusal (spontaneous) |
| 1 |
None |
| 2 |
One |
| 3 |
2-5 |
| 4 |
6-10 |
| 5 |
More than 10 |
| 6 |
|
| 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.