| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 13 |
6.3%
|
| 2 | Yes, when item is out of stock | 25 |
12.1%
|
| 3 | No | 167 |
80.7%
|
| 4 | Not applicable | 2 |
1%
|
| Sysmiss | 115 |