| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 7 |
2.7%
|
| 2 | Yes, when item is out of stock | 82 |
31.8%
|
| 3 | No | 159 |
61.6%
|
| 4 | Not applicable | 10 |
3.9%
|
| Sysmiss | 50 |