| Value |
Category |
Cases |
|
| -9 |
Don't know (spontaneous) |
0 |
|
| 160 |
|
1 |
|
| 500 |
|
1 |
|
| 1200 |
|
1 |
|
| 1800 |
|
1 |
|
| 3000 |
|
1 |
|
| Sysmiss |
|
1003 |
|
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.
