| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 19 |
10.3%
|
| 2 | Yes, when item is out of stock | 100 |
54.1%
|
| 3 | No | 64 |
34.6%
|
| 4 | Not Applicable | 2 |
1.1%
|
| Sysmiss | 122 |