| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 0 |
0%
|
| 2 | Yes, when item is out of stock | 121 |
48.6%
|
| 3 | No | 127 |
51%
|
| 4 | Not applicable | 1 |
0.4%
|
| Sysmiss | 62 |