| Value | Category | Cases | |
|---|---|---|---|
| 1 | Did not occur | 2916 |
16.8%
|
| 2 | 1-2 times during the year | 3621 |
20.9%
|
| 3 | 3-4 times during the year | 4086 |
23.6%
|
| 4 | Once a month | 3761 |
21.7%
|
| 5 | Once a week | 1779 |
10.3%
|
| 6 | More than once a week | 1148 |
6.6%
|
| 7 | N/A | 400 | |
| 8 | Invalid | 9 | |
| 9 | Missing | 419 |