| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 707 |
12.8%
|
| 2 | 12-23 MONTHS AGO | 316 |
5.7%
|
| 3 | 2 OR MORE YEARS AGO | 638 |
11.6%
|
| 9 | NO RESPONSE | 14 |
0.3%
|
| Sysmiss | 3838 |
69.6%
|