| Value | Category | Cases | |
|---|---|---|---|
| 1 | Did not occur | 2902 |
16.7%
|
| 2 | 1-2 times during the year | 2454 |
14.1%
|
| 3 | 3-4 times during the year | 2986 |
17.2%
|
| 4 | Once a month | 3742 |
21.6%
|
| 5 | Once a week | 2785 |
16.1%
|
| 6 | More than once a week | 2480 |
14.3%
|
| 7 | N/A | 400 | |
| 8 | Invalid | 12 | |
| 9 | Missing | 378 |