| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 4 |
1.6%
|
| 2 | During the last 12 months | 67 |
27.1%
|
| 3 | More than 12 months ago | 127 |
51.4%
|
| 8 | Don抰 know or don抰 remember | 48 |
19.4%
|
| 9 | Missing | 1 |
0.4%
|
| Sysmiss | 4471 |