| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 12 months ago | 123 |
36.2%
|
| 2 | 12-23 months ago | 53 |
15.6%
|
| 3 | 2 or more years ago | 164 |
48.2%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 1424 |