| Value | Category | Cases | |
|---|---|---|---|
| 1 | IN THE LAST MONTH | 13 |
32.5%
|
| 2 | IN LAST 6 MONTHS | 11 |
27.5%
|
| 3 | MORE THAN 6 MONTHS | 16 |
40%
|
| Sysmiss | 539 |