| Value |
Category |
| -9 |
Do not know |
| 0 |
|
| 95 |
Refused |
| 555 |
More than 20 |
| 999 |
N/A |
| 5000 |
|
| 9996 |
Through shipment |
| 12000 |
|
| 15000 |
|
| 25000 |
|
| 30000 |
|
| 100000 |
|
| 150000 |
|
| 300000 |
|
| 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.