| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every week | 2187 |
7.3%
|
| 2 | Couple of times a month | 4298 |
14.3%
|
| 3 | Couple of times a year | 3062 |
10.2%
|
| 4 | Never | 20455 |
68.2%
|