| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 218 |
77.6%
|
| 2 | Yes, when item is out of stock | 29 |
10.3%
|
| 3 | No | 34 |
12.1%
|
| 4 | Not applicable | 0 |
0%
|
| Sysmiss | 9 |