| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 years ago | 214 |
42.4%
|
| 2 | 2 years to less than 5 years ago | 94 |
18.6%
|
| 3 | 5 years or more ago | 197 |
39%
|
| Sysmiss | 4039 |