| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not in past 12 months | 11 |
0.8%
|
| 2 | Once | 33 |
2.4%
|
| 3 | Sometimes | 68 |
4.9%
|
| 4 | Often | 7 |
0.5%
|
| 5 | Doesn't remember | 2 |
0.1%
|
| Sysmiss | 1279 |
91.4%
|