| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 19 |
36.5%
|
| 1 | Yes, within the past 12 months | 21 |
40.4%
|
| 2 | Yes, more than 12 months ago | 12 |
23.1%
|
| 3 | Can not remember/refused/not answered | 0 |
0%
|
| Sysmiss | 4 |