| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days ago | 2116 |
11.4%
|
| 2 | Weeks ago | 2703 |
14.5%
|
| 3 | Months ago | 3469 |
18.6%
|
| 4 | Years ago | 649 |
3.5%
|
| 9 | Other | 2280 |
12.2%
|
| Sysmiss | 7397 |
39.7%
|