| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 389 |
7.1%
|
| 2 | 12-23 MONTHS AGO | 279 |
5.1%
|
| 3 | 2 OR MORE YEARS AGO | 478 |
8.7%
|
| 9 | NO RESPONSE | 4 |
0.1%
|
| Sysmiss | 4326 |
79%
|