| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within past 12 months | 691 |
24.5%
|
| 2 | 1-5 years ago | 407 |
14.4%
|
| 3 | Not within past 5 years | 121 |
4.3%
|
| 4 | Never | 1590 |
56.3%
|
| 5 | Uncertain | 0 |
0%
|
| 77 | Don't know | 13 |
0.5%
|
| Sysmiss | 9 |