| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 110 |
12.6%
|
| 2 | Weekly | 216 |
24.8%
|
| 3 | Monthly | 210 |
24.1%
|
| 4 | Yearly | 44 |
5.1%
|
| 5 | Not at all | 291 |
33.4%
|
| Sysmiss | 128 |