| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 23 |
12.4%
|
| 2 | Yes, when item is out of stock | 70 |
37.8%
|
| 3 | No | 89 |
48.1%
|
| 4 | Not Applicable | 3 |
1.6%
|
| Sysmiss | 122 |