| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 41 |
21.7%
|
| 2 | Yes, when item is out of stock | 53 |
28%
|
| 3 | No | 94 |
49.7%
|
| 4 | Not applicable | 1 |
0.5%
|
| Sysmiss | 122 |