| Value | Category | Cases | |
|---|---|---|---|
| 1 | Several times a week or more often | 56 |
1.7%
|
| 2 | Once a week | 141 |
4.2%
|
| 3 | 2 or 3 times a month | 78 |
2.3%
|
| 4 | Once a month | 83 |
2.5%
|
| 5 | Several times a year | 304 |
9.1%
|
| 6 | Once a year | 599 |
17.9%
|
| 7 | Less frequently than once a year | 535 |
16%
|
| 8 | Never | 1479 |
44.2%
|
| -2 | No answer | 74 |
2.2%
|