| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 37 |
17%
|
| 2 | Yes, when item is out of stock | 44 |
20.2%
|
| 3 | No | 137 |
62.8%
|
| 4 | Not applicable | 0 |
0%
|
| Sysmiss | 72 |