| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 2 |
0.9%
|
| 2 | Yes, when item is out of stock | 47 |
21.8%
|
| 3 | No | 156 |
72.2%
|
| 4 | Not Applicable | 11 |
5.1%
|
| Sysmiss | 89 |