| Value |
Category |
| -9 |
Do not know |
| -8 |
Refused |
| 10 |
|
| 15 |
|
| 20 |
|
| 24 |
|
| 25 |
|
| 28 |
|
| 30 |
|
| 35 |
|
| 36 |
|
| 40 |
|
| 42 |
|
| 47 |
|
| 48 |
|
| 50 |
|
| 54 |
|
| 55 |
|
| 96 |
Through shipment |
| 555 |
More than 20 |
| 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.