| Value |
Category |
| -9 |
Do not know |
| -8 |
Refused |
| 0 |
|
| 96 |
Through shipment |
| 555 |
More than 20 |
| 999 |
N/A |
| 5000 |
|
| 50000 |
|
| 100000 |
|
| 225000 |
|
| 600000 |
|
| 750000 |
|
| 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.