| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 528 |
86.3%
|
| 2 | Once a week | 35 |
5.7%
|
| 3 | Once a month | 6 |
1%
|
| 4 | Rarely | 43 |
7%
|
| Sysmiss | 171 |