| Value |
Category |
| 0 |
Has never been in stock |
| 1 |
Available and in-stock today |
| 2 |
Available but out-of-stock today (if expired, consider out-of-stock) |
| 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.
