| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 384 |
2.6%
|
| 2 | 12-23 MONTHS AGO | 300 |
2%
|
| 3 | 2 OR MORE YEARS AGO | 918 |
6.1%
|
| 9 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 13415 |
89.3%
|