| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 612 |
50.9%
|
| 2 | 12-23 MONTHS AGO | 500 |
41.6%
|
| 3 | 2 OR MORE YEARS AGO | 88 |
7.3%
|
| 9 | NO RESPONSE | 3 |
0.2%
|
| Sysmiss | 10534 |