| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 1449 |
9.9%
|
| 2 | 12-23 MONTHS AGO | 758 |
5.2%
|
| 3 | 2 OR MORE YEARS AGO | 2717 |
18.6%
|
| 9 | NO RESPONSE | 3 |
0%
|
| Sysmiss | 9682 |
66.3%
|