| Value |
Category |
| 0 |
none |
| 1 |
just a few (1-4) |
| 2 |
half pack (5-10) |
| 3 |
more than half pack (11+) |
| 8 |
do not remember |
| 11 |
.X |
| 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.
