| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 11 |
21.2%
|
| 1 | Yes, within the past 12 months | 24 |
46.2%
|
| 2 | Yes, more than 12 months ago | 17 |
32.7%
|
| 3 | Can not remember/refused/not answered | 0 |
0%
|
| Sysmiss | 4 |