| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 483 |
2%
|
| 2 | Monthly | 1535 |
6.2%
|
| 3 | Yearly | 4128 |
16.7%
|
| 4 | Less often | 7618 |
30.8%
|
| 5 | Not at all | 11003 |
44.4%
|
| Sysmiss | 817 |