| Value |
Category |
| -9 |
Don't know (spontaneous) |
| 0 |
None (spontaneous) |
| 1000 |
|
| 2000 |
|
| 5000 |
|
| 30000 |
|
| 75000 |
|
| 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.
