| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 12 months ago | 52 |
0.1%
|
| 2 | 12-23 months ago | 15 |
0%
|
| 3 | 2 or more years ago | 73 |
0.2%
|
| 9 | Missing | 2 |
0%
|
| Sysmiss | 37527 |
99.6%
|