| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 10 |
3.6%
|
| 2 | Yes, when item is out of stock | 34 |
12.1%
|
| 3 | No | 232 |
82.6%
|
| 4 | Not applicable | 5 |
1.8%
|
| Sysmiss | 9 |