| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 182 |
52.1%
|
| 2 | 12-23 MONTHS AGO | 95 |
27.2%
|
| 3 | 2 OR MORE YEARS AGO | 62 |
17.8%
|
| 9 | NO RESPONSE | 10 |
2.9%
|
| Sysmiss | 36805 |