| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 504 |
2%
|
| 2 | Monthly | 739 |
3%
|
| 3 | Yearly | 1172 |
4.7%
|
| 4 | Less often | 2208 |
8.9%
|
| 5 | Not at all | 20144 |
81.3%
|
| Sysmiss | 817 |