| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 556 |
4.8%
|
| 2 | 12-23 MONTHS AGO | 758 |
6.5%
|
| 3 | 2 OR MORE YEARS AGO | 3007 |
25.7%
|
| 9 | NO RESPONSE | 8 |
0.1%
|
| Sysmiss | 7371 |
63%
|