| Value | Category | Cases | |
|---|---|---|---|
| 1 | Several times a week | 520 |
18.4%
|
| 2 | Once a week | 822 |
29.1%
|
| 3 | 2 or 3 times a month | 496 |
17.6%
|
| 4 | Once a month | 179 |
6.3%
|
| 5 | Several times a year | 498 |
17.6%
|
| 6 | Once a year | 42 |
1.5%
|
| 7 | Less often | 144 |
5.1%
|
| 8 | Never | 111 |
3.9%
|
| 97 | Refused | 4 |
0.1%
|
| 98 | Do not know | 6 |
0.2%
|
| Sysmiss | 483 |