| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 3 |
1.3%
|
| 2 | Yes, when item is out of stock | 60 |
26.2%
|
| 3 | No | 142 |
62%
|
| 4 | Not Applicable | 24 |
10.5%
|
| Sysmiss | 78 |