| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 200 |
3%
|
| 2 | 12-23 MONTHS AGO | 221 |
3.4%
|
| 3 | 2 OR MORE YEARS AGO | 25 |
0.4%
|
| 9 | NO RESPONSE | 5 |
0.1%
|
| Sysmiss | 6125 |
93.1%
|