| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 11453 |
46.2%
|
| 2 | Monthly | 3102 |
12.5%
|
| 3 | Yearly | 1156 |
4.7%
|
| 4 | Less often | 3178 |
12.8%
|
| 5 | Not at all | 5878 |
23.7%
|
| Sysmiss | 817 |