| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 0 |
0%
|
| 2 | Yes, when item is out of stock | 1 |
1.1%
|
| 3 | No | 51 |
56.7%
|
| 4 | Not applicable | 38 |
42.2%
|
| Sysmiss | 232 |