| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 8 |
2.8%
|
| 2 | Yes, when item is out of stock | 102 |
36.3%
|
| 3 | No | 152 |
54.1%
|
| 4 | Not applicable | 19 |
6.8%
|
| Sysmiss | 9 |