| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 0 |
0%
|
| 2 | Yes, when item is out of stock | 3 |
1.3%
|
| 3 | No | 177 |
77.3%
|
| 4 | Not Applicable | 49 |
21.4%
|
| Sysmiss | 78 |