| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2841 |
46%
|
| 2 | Several times a week | 2251 |
36.4%
|
| 3 | Once a week | 568 |
9.2%
|
| 4 | Once a month | 129 |
2.1%
|
| 5 | Reraly | 131 |
2.1%
|
| 6 | Do not use | 262 |
4.2%
|