| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 3 |
1.2%
|
| 2 | Yes, when item is out of stock | 96 |
37.2%
|
| 3 | No | 158 |
61.2%
|
| 4 | Not applicable | 1 |
0.4%
|
| Sysmiss | 50 |