| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 384 |
23.9%
|
| 2 | 12-23 MONTHS AGO | 300 |
18.7%
|
| 3 | 2 OR MORE YEARS AGO | 918 |
57.2%
|
| 9 | NO RESPONSE | 2 |
0.1%
|
| Sysmiss | 13415 |