| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the past 30 days | 1273 |
58.8%
|
| 2 | Within the past 31-90 days | 518 |
23.9%
|
| 3 | Within the past 4-6 months | 142 |
6.6%
|
| 4 | More than 6 months ago | 119 |
5.5%
|
| 5 | Never | 113 |
5.2%
|
| Sysmiss | 334 |