| Value | Category | Cases | |
|---|---|---|---|
| 1 | At the time of the sale | 307 |
76.2%
|
| 2 | Within one week | 52 |
12.9%
|
| 3 | Within one month | 20 |
5%
|
| 4 | One month or more | 24 |
6%
|
| Sysmiss | 3573 |