| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 4 |
18.2%
|
| 2 | Yes, when item is out of stock | 3 |
13.6%
|
| 3 | No | 14 |
63.6%
|
| 4 | Not applicable | 1 |
4.5%
|
| Sysmiss | 286 |