| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 50 |
29.1%
|
| 2 | Yes, when item is out of stock | 49 |
28.5%
|
| 3 | No | 73 |
42.4%
|
| 4 | Not applicable | 0 |
0%
|
| Sysmiss | 128 |