| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the past 30 days | 576 |
87.7%
|
| 2 | Within the past 31-90 days | 41 |
6.2%
|
| 3 | Within the past 4-6 months | 11 |
1.7%
|
| 4 | More than 6 months ago | 29 |
4.4%
|
| Sysmiss | 185 |