| Value | Category | Cases | |
|---|---|---|---|
| 1 | Several times a week | 583 |
22.3%
|
| 2 | Once a week | 957 |
36.6%
|
| 3 | 2 or 3 times a month | 413 |
15.8%
|
| 4 | Once a month | 178 |
6.8%
|
| 5 | Several times a year | 260 |
9.9%
|
| 6 | Once a year | 37 |
1.4%
|
| 7 | Less often | 94 |
3.6%
|
| 8 | Never | 84 |
3.2%
|
| 97 | Refused | 7 |
0.3%
|
| 98 | Do not know | 4 |
0.2%
|
| Sysmiss | 290 |