| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 15 |
0.6%
|
| 2 | 12-23 MONTHS AGO | 16 |
0.6%
|
| 3 | 2 OR MORE YEARS AGO | 50 |
1.9%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 2591 |
96.9%
|