| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 986 |
51.8%
|
| 2 | Once a month | 520 |
27.3%
|
| 3 | Several times a month | 285 |
15%
|
| 4 | Once a week | 62 |
3.3%
|
| 5 | Several times a week | 51 |
2.7%
|