| Value |
Category |
| -9 |
Don't know (spontaneous) |
| -6 |
Investigations are still in process |
| 0 |
|
| 1 |
|
| 20 |
|
| 100 |
|
| 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.
