| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 years ago | 75 |
38.1%
|
| 2 | 2 years to less than 5 years ago | 48 |
24.4%
|
| 3 | 5 years or more ago | 74 |
37.6%
|
| Sysmiss | 4347 |