| Value | Category | Cases | |
|---|---|---|---|
| 1 | Currently out of stock | 11 |
21.2%
|
| 2 | Within last month | 17 |
32.7%
|
| 3 | Within 3 months | 12 |
23.1%
|
| 4 | Within 6 months | 11 |
21.2%
|
| 9 | 1 |
1.9%
|
|
| Sysmiss | 1216 |