| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 4 |
36.4%
|
| 2 | Yes, when item is out of stock | 1 |
9.1%
|
| 3 | No | 5 |
45.5%
|
| 4 | Not applicable | 1 |
9.1%
|
| Sysmiss | 300 |