| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 2 |
0.8%
|
| 2 | Yes, when item is out of stock | 63 |
24.4%
|
| 3 | No | 192 |
74.4%
|
| 4 | Not applicable | 1 |
0.4%
|
| Sysmiss | 50 |