| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 7 |
2.5%
|
| 2 | Yes, when item is out of stock | 96 |
34.2%
|
| 3 | No | 178 |
63.3%
|
| 4 | Not applicable | 0 |
0%
|
| Sysmiss | 9 |