| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the past 30 days | 387 |
60.9%
|
| 2 | Within the past 31-90 days | 148 |
23.3%
|
| 3 | Within the past 4-6 months | 29 |
4.6%
|
| 4 | More than 6 months ago | 24 |
3.8%
|
| 5 | Never | 47 |
7.4%
|
| Sysmiss | 207 |