| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 20 |
9.5%
|
| 2 | Yes, when item is out of stock | 49 |
23.3%
|
| 3 | No | 141 |
67.1%
|
| 4 | Not applicable | 0 |
0%
|
| Sysmiss | 105 |