| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 585 |
17.4%
|
| 2 | Once a month | 825 |
24.6%
|
| 3 | Several times a month | 1184 |
35.3%
|
| 4 | Once a week | 296 |
8.8%
|
| 5 | Several times a week | 467 |
13.9%
|