| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 1134 |
7.9%
|
| 2 | 12-23 MONTHS AGO | 600 |
4.2%
|
| 3 | 2 OR MORE YEARS AGO | 2125 |
14.9%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 10437 |
73%
|