| Value |
Category |
Cases |
|
| -9 |
Don't know (spontaneous) |
7 |
|
| 16 |
|
1 |
|
| 500 |
|
1 |
|
| 1000 |
|
1 |
|
| 1500 |
|
1 |
|
| 2500 |
|
1 |
|
| 4000 |
|
1 |
|
| 7500 |
|
1 |
|
| Sysmiss |
|
354 |
|
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.
