| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 1 |
0.4%
|
| 2 | Yes, when item is out of stock | 47 |
19%
|
| 3 | No | 186 |
75%
|
| 4 | Not applicable | 14 |
5.6%
|
| Sysmiss | 63 |