| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not in past 12 months | 18 |
1.5%
|
| 2 | Once | 16 |
1.3%
|
| 3 | Sometimes | 88 |
7.1%
|
| 4 | Often | 53 |
4.3%
|
| Sysmiss | 1065 |
85.9%
|