| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 1 |
0.4%
|
| 2 | Yes, when item is out of stock | 46 |
17.2%
|
| 3 | No | 195 |
72.8%
|
| 4 | Not applicable | 26 |
9.7%
|
| Sysmiss | 54 |