| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 27 |
0.1%
|
| 2 | 12-23 MONTHS AGO | 25 |
0.1%
|
| 3 | 2 OR MORE YEARS AGO | 14 |
0%
|
| 9 | NO RESPONSE | 6 |
0%
|
| Sysmiss | 30971 |
99.8%
|