| Value |
Category |
Cases |
|
| -9 |
Don't know (spontaneous) |
0 |
|
| 20000 |
|
1 |
|
| 30000 |
|
1 |
|
| 40000 |
|
1 |
|
| 50000 |
|
1 |
|
| 60000 |
|
1 |
|
| 800000 |
|
2 |
|
| Sysmiss |
|
991 |
|
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.
