| Value | Category | Cases | |
|---|---|---|---|
| 1 | Currently out of stock | 24 |
21.2%
|
| 2 | Within last month | 22 |
19.5%
|
| 3 | Within 3 months | 27 |
23.9%
|
| 4 | Within 6 months | 40 |
35.4%
|
| Sysmiss | 1155 |