| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 83 |
2.6%
|
| 2 | 12-23 MONTHS AGO | 59 |
1.9%
|
| 3 | 2 OR MORE YEARS AGO | 126 |
4%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 2888 |
91.5%
|