| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days ago | 8390 |
24.5%
|
| 2 | Weeks ago | 12504 |
36.6%
|
| 3 | Months ago | 7552 |
22.1%
|
| 4 | Years ago | 2018 |
5.9%
|
| 9 | Special | 3714 |
10.9%
|
| Sysmiss | 1998 |