| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 23 |
8.6%
|
| 2 | Yes, when item is out of stock | 16 |
5.9%
|
| 3 | No | 212 |
78.8%
|
| 4 | Not applicable | 18 |
6.7%
|
| Sysmiss | 53 |