| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 306 |
4%
|
| 2 | 12-23 MONTHS AGO | 406 |
5.3%
|
| 3 | 2 OR MORE YEARS AGO | 93 |
1.2%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 6926 |
89.6%
|