| Value | Category | Cases | |
|---|---|---|---|
| 1 | WITHIN LAST 6 MONTHS | 47 |
64.4%
|
| 2 | WITHIN LAST YEAR | 21 |
28.8%
|
| 3 | MORE THAN A YEAR AGO | 5 |
6.8%
|
| Sysmiss | 304 |