| Value | Category | Cases | |
|---|---|---|---|
| 1 | Did not occur | 426 |
4.4%
|
| 2 | 1-2 times during the year | 1806 |
18.5%
|
| 3 | 3-4 times during the year | 3135 |
32.1%
|
| 4 | Once a month | 3082 |
31.5%
|
| 5 | Once a week | 943 |
9.7%
|
| 6 | More than once a week | 380 |
3.9%
|
| 7 | N/A | 280 | |
| 8 | Invalid | 8 | |
| 9 | Missing | 287 |