| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 28 |
15.8%
|
| 2 | Yes, when item is out of stock | 66 |
37.3%
|
| 3 | No | 82 |
46.3%
|
| 4 | Not Applicable | 1 |
0.6%
|
| Sysmiss | 128 |