| Value |
Category |
| 1 |
Container with lid |
| 2 |
container without lid |
| 3 |
same packet |
| 4 |
open surface |
| 5 |
covered surface |
| 6 |
Other |
| 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.
