| Value | Category | Cases | |
|---|---|---|---|
| 1 | IN THE LAST MONTH | 13 |
46.4%
|
| 2 | IN LAST 6 MONTHS | 8 |
28.6%
|
| 3 | MORE THAN 6 MONTHS | 7 |
25%
|
| Sysmiss | 551 |