| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 31 |
75.6%
|
| 2 | During the last 12 months | 1 |
2.4%
|
| 3 | More than 12 months ago | 2 |
4.9%
|
| 8 | Don抰 know or don抰 remember | 1 |
2.4%
|
| 9 | Missing | 6 |
14.6%
|
| Sysmiss | 4604 |