| Value |
Category |
| -9 |
Do not know |
| -8 |
Refused |
| 3 |
|
| 10 |
|
| 30 |
|
| 45 |
|
| 60 |
|
| 90 |
|
| 96 |
Through shipment |
| 120 |
|
| 150 |
|
| 250 |
|
| 360 |
|
| 365 |
|
| 555 |
More than 20 |
| 730 |
|
| 999 |
N/A |
| 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.