| Value |
Category |
| 1 |
only purchase |
| 2 |
only home-grown stock |
| 3 |
both purchase and home-grown stock |
| 4 |
only free collection |
| 5 |
others |
| 9 |
|
| 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.