| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 40 |
18.3%
|
| 2 | Yes, when item is out of stock | 83 |
37.9%
|
| 3 | No | 95 |
43.4%
|
| 4 | Not applicable | 1 |
0.5%
|
| Sysmiss | 71 |