| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1441 |
36.9%
|
| 2 | Once a month | 1353 |
34.7%
|
| 3 | Several times a month | 760 |
19.5%
|
| 4 | Once a week | 254 |
6.5%
|
| 5 | Several times a week | 93 |
2.4%
|