| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 3 |
1.4%
|
| 2 | Yes, when item is out of stock | 7 |
3.2%
|
| 3 | No | 194 |
89.8%
|
| 4 | Not applicable | 12 |
5.6%
|
| Sysmiss | 84 |